{"id":13037,"date":"2026-09-21T18:29:44","date_gmt":"2026-09-21T12:59:44","guid":{"rendered":"https:\/\/www.mymedicplus.com\/blog\/?p=13037"},"modified":"2026-09-21T18:30:04","modified_gmt":"2026-09-21T13:00:04","slug":"why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss","status":"publish","type":"post","link":"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/","title":{"rendered":"Why Is My Hair Falling Out? The Complete 2026 Guide to Every Major Cause of Hair Loss"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Finding hair on your pillow, in the shower drain, on your clothes, or collecting in your hairbrush can be alarming.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But an important fact is often missed:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Hair falling out does not automatically mean you are becoming permanently bald.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hair can disappear for many completely different reasons.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some hair loss is:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>normal,<\/li>\n\n\n\n<li>temporary,<\/li>\n\n\n\n<li>genetic,<\/li>\n\n\n\n<li>nutritional,<\/li>\n\n\n\n<li>hormonal,<\/li>\n\n\n\n<li>autoimmune,<\/li>\n\n\n\n<li>medication-related,<\/li>\n\n\n\n<li>caused by illness,<\/li>\n\n\n\n<li>caused by hairstyles or chemicals,<\/li>\n\n\n\n<li>or caused by inflammation that can permanently damage the follicle.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The medical term for hair loss is <strong>alopecia<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">And the most important question isn&#8217;t simply:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;How do I stop my hair fall?&#8221;<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">It is:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>&#8220;Why is my hair falling out?&#8221;<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Finding the cause determines whether the hair is likely to return naturally, requires treatment, or needs urgent attention before follicles become permanently damaged.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guide explains the major causes of hair loss, how to recognize their typical patterns, and when medical evaluation is important.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#First_Some_Hair_Falling_Out_Is_Completely_Normal\" >First: Some Hair Falling Out Is Completely Normal<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Anagen_%E2%80%94_Growth_Phase\" >Anagen \u2014 Growth Phase<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Catagen_%E2%80%94_Transition_Phase\" >Catagen \u2014 Transition Phase<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Telogen_%E2%80%94_Resting_Phase\" >Telogen \u2014 Resting Phase<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Hair_Shedding_Hair_Thinning_and_Hair_Breakage_Are_Different\" >Hair Shedding, Hair Thinning and Hair Breakage Are Different<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Hair_Shedding\" >Hair Shedding<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Hair_Thinning\" >Hair Thinning<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Hair_Breakage\" >Hair Breakage<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Quick_Hair-Loss_Pattern_Guide\" >Quick Hair-Loss Pattern Guide<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#1_Genetics_The_Most_Common_Cause_of_Progressive_Hair_Loss\" >1. Genetics: The Most Common Cause of Progressive Hair Loss<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#In_Men\" >In Men<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#In_Women\" >In Women<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#2_DHT_and_Androgen_Sensitivity\" >2. DHT and Androgen Sensitivity<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#3_Telogen_Effluvium_One_of_the_Most_Common_Causes_of_Sudden_Hair_Shedding\" >3. Telogen Effluvium: One of the Most Common Causes of Sudden Hair Shedding<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#4_Severe_Psychological_Stress\" >4. Severe Psychological Stress<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#5_Fever_and_Serious_Illness\" >5. Fever and Serious Illness<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#6_Surgery_and_Physical_Trauma\" >6. Surgery and Physical Trauma<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#7_Rapid_Weight_Loss_and_Crash_Dieting\" >7. Rapid Weight Loss and Crash Dieting<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#8_Low_Protein_Intake\" >8. Low Protein Intake<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#9_Iron_Deficiency\" >9. Iron Deficiency<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#10_Zinc_Deficiency\" >10. Zinc Deficiency<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#11_Vitamin_D\" >11. Vitamin D<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#12_Biotin_Deficiency\" >12. Biotin Deficiency<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#13_Too_Much_Vitamin_A_or_Selenium\" >13. Too Much Vitamin A or Selenium<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#14_Thyroid_Disease\" >14. Thyroid Disease<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#15_Polycystic_Ovary_Syndrome_%E2%80%94_PCOS\" >15. Polycystic Ovary Syndrome \u2014 PCOS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#16_Pregnancy_and_Postpartum_Hair_Shedding\" >16. Pregnancy and Postpartum Hair Shedding<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#17_Hormonal_Changes_and_Birth_Control\" >17. Hormonal Changes and Birth Control<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#18_Menopause\" >18. Menopause<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#19_Alopecia_Areata_When_the_Immune_System_Attacks_Hair_Follicles\" >19. Alopecia Areata: When the Immune System Attacks Hair Follicles<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#20_Scarring_Alopecia_One_of_the_Most_Important_Causes_Not_to_Miss\" >20. Scarring Alopecia: One of the Most Important Causes Not to Miss<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#21_Fungal_Infection_of_the_Scalp_%E2%80%94_Tinea_Capitis\" >21. Fungal Infection of the Scalp \u2014 Tinea Capitis<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#22_Severe_Scalp_Inflammation\" >22. Severe Scalp Inflammation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#23_Traction_Alopecia_Hairstyles_Can_Pull_Hair_Out\" >23. Traction Alopecia: Hairstyles Can Pull Hair Out<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#24_Bleaching_Straightening_Perming_and_Chemical_Damage\" >24. Bleaching, Straightening, Perming and Chemical Damage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#25_Excessive_Heat\" >25. Excessive Heat<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#26_Aggressive_Brushing_and_Friction\" >26. Aggressive Brushing and Friction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#27_Trichotillomania_Compulsive_Hair_Pulling\" >27. Trichotillomania: Compulsive Hair Pulling<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#28_Chemotherapy\" >28. Chemotherapy<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#29_Radiation_Treatment\" >29. Radiation Treatment<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#30_Other_Medications\" >30. Other Medications<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#31_Toxins_and_Poisoning\" >31. Toxins and Poisoning<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#32_Autoimmune_and_Systemic_Diseases\" >32. Autoimmune and Systemic Diseases<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#33_Syphilis_and_Certain_Infections\" >33. Syphilis and Certain Infections<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#34_Age-Related_Hair_Thinning\" >34. Age-Related Hair Thinning<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-46\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Can_More_Than_One_Cause_Happen_at_the_Same_Time\" >Can More Than One Cause Happen at the Same Time?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-47\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Does_Dandruff_Cause_Baldness\" >Does Dandruff Cause Baldness?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-48\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Does_Shampoo_Cause_Hair_Loss\" >Does Shampoo Cause Hair Loss?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-49\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Does_Wearing_a_Cap_Cause_Baldness\" >Does Wearing a Cap Cause Baldness?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-50\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Does_Poor_Blood_Circulation_Cause_Baldness\" >Does Poor Blood Circulation Cause Baldness?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-51\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#How_Doctors_Work_Out_the_Cause\" >How Doctors Work Out the Cause<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-52\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Which_Hair_Loss_Usually_Grows_Back\" >Which Hair Loss Usually Grows Back?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-53\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#When_Hair_Loss_Should_Be_Checked_Quickly\" >When Hair Loss Should Be Checked Quickly<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-54\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Dont_Start_With_Hair_Gummies%E2%80%94Start_With_the_Cause\" >Don&#8217;t Start With Hair Gummies\u2014Start With the Cause<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-55\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#The_Most_Important_Principle_in_Hair_Loss\" >The Most Important Principle in Hair Loss<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-56\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Final_Takeaway\" >Final Takeaway<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-57\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Early_hair_loss_does_not_necessarily_mean_permanent_baldness\" >Early hair loss does not necessarily mean permanent baldness.<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-58\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Medical_Evidence_Note\" >Medical Evidence Note<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-59\" href=\"https:\/\/www.mymedicplus.com\/blog\/why-is-my-hair-falling-out-the-complete-2026-guide-to-every-major-cause-of-hair-loss\/#Disclaimer\" >Disclaimer<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"First_Some_Hair_Falling_Out_Is_Completely_Normal\"><\/span>First: Some Hair Falling Out Is Completely Normal<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Hair does not remain attached to the scalp forever.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Every follicle repeatedly moves through a biological growth cycle.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Anagen_%E2%80%94_Growth_Phase\"><\/span>Anagen \u2014 Growth Phase<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The hair actively grows.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Scalp hair can remain in this phase for several years.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Catagen_%E2%80%94_Transition_Phase\"><\/span>Catagen \u2014 Transition Phase<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Growth stops and the follicle temporarily shrinks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This phase normally lasts only a few weeks.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Telogen_%E2%80%94_Resting_Phase\"><\/span>Telogen \u2014 Resting Phase<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The follicle rests for several months.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Eventually the old hair is released while a new growing hair begins underneath it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Because thousands of follicles are cycling independently, losing some hair every day is normal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dermatology references commonly consider roughly <strong>50\u2013100 shed hairs per day<\/strong> within the normal range, although the visible number varies according to hair length, washing frequency, hairstyle, and individual biology.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Therefore:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Seeing hair in the shower \u2260 automatically having hair loss disease.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The important changes are things such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>suddenly shedding much more hair than usual,<\/li>\n\n\n\n<li>progressively seeing more scalp,<\/li>\n\n\n\n<li>a receding hairline,<\/li>\n\n\n\n<li>widening of the central part,<\/li>\n\n\n\n<li>thinning at the crown,<\/li>\n\n\n\n<li>bald patches,<\/li>\n\n\n\n<li>broken hairs,<\/li>\n\n\n\n<li>or areas where hair no longer grows.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hair_Shedding_Hair_Thinning_and_Hair_Breakage_Are_Different\"><\/span>Hair Shedding, Hair Thinning and Hair Breakage Are Different<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">People commonly describe all three as &#8220;hair fall,&#8221; but medically they are not the same.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hair_Shedding\"><\/span>Hair Shedding<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The entire hair naturally separates from the follicle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>normal daily shedding,<\/li>\n\n\n\n<li>telogen effluvium,<\/li>\n\n\n\n<li>postpartum shedding.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hair_Thinning\"><\/span>Hair Thinning<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The follicle continues producing hair, but each new hair gradually becomes smaller and finer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This happens prominently in <strong>androgenetic alopecia<\/strong>, or pattern hair loss.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hair_Breakage\"><\/span>Hair Breakage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The follicle may be perfectly healthy, but the hair shaft snaps.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Common causes include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>bleaching,<\/li>\n\n\n\n<li>chemical straightening,<\/li>\n\n\n\n<li>excessive heat,<\/li>\n\n\n\n<li>aggressive brushing,<\/li>\n\n\n\n<li>repeated friction.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding which of these is happening dramatically narrows the possible cause.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quick_Hair-Loss_Pattern_Guide\"><\/span>Quick Hair-Loss Pattern Guide<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>What you notice<\/th><th>Possible causes<\/th><\/tr><\/thead><tbody><tr><td>Receding temples<\/td><td>Male-pattern hair loss, traction<\/td><\/tr><tr><td>Thinning crown<\/td><td>Androgenetic alopecia<\/td><\/tr><tr><td>Widening center part<\/td><td>Female-pattern hair loss<\/td><\/tr><tr><td>Heavy shedding everywhere<\/td><td>Telogen effluvium<\/td><\/tr><tr><td>Hair fall 2\u20134 months after illness\/stress<\/td><td>Telogen effluvium<\/td><\/tr><tr><td>Smooth round bald patches<\/td><td>Alopecia areata<\/td><\/tr><tr><td>Scaling + broken hairs + black dots<\/td><td>Scalp fungal infection<\/td><\/tr><tr><td>Broken hairs of different lengths<\/td><td>Hair damage, traction, trichotillomania<\/td><\/tr><tr><td>Sudden massive loss during chemotherapy<\/td><td>Anagen effluvium<\/td><\/tr><tr><td>Pain\/burning + disappearing follicles<\/td><td>Possible scarring alopecia<\/td><\/tr><tr><td>Hairline loss after tight hairstyles<\/td><td>Traction alopecia<\/td><\/tr><tr><td>Thinning with fatigue\/other symptoms<\/td><td>Consider systemic or nutritional causes<\/td><\/tr><tr><td>Hair loss after rapid dieting\/weight loss<\/td><td>Telogen effluvium\/nutritional stress<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">This table is only a guide. Several forms of hair loss can exist at the same time.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Genetics_The_Most_Common_Cause_of_Progressive_Hair_Loss\"><\/span>1. Genetics: The Most Common Cause of Progressive Hair Loss<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">The most common cause of hair loss worldwide is hereditary <strong>androgenetic alopecia<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It affects both men and women.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"In_Men\"><\/span>In Men<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It is commonly called:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Male-pattern hair loss \/ male-pattern baldness<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Typical progression includes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>recession around the temples,<\/li>\n\n\n\n<li>an M-shaped hairline,<\/li>\n\n\n\n<li>thinning at the crown,<\/li>\n\n\n\n<li>gradual thinning across the top.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"In_Women\"><\/span>In Women<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It is commonly called:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Female-pattern hair loss<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It more commonly produces:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>widening of the center part,<\/li>\n\n\n\n<li>reduced density across the top,<\/li>\n\n\n\n<li>increasing visibility of the scalp,<\/li>\n\n\n\n<li>preservation of much of the frontal hairline.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The underlying problem involves genetically susceptible follicles gradually becoming smaller.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A thick terminal hair becomes:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>thick hair \u2192 thinner hair \u2192 shorter hair \u2192 miniaturized hair \u2192 barely visible hair<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This process may begin surprisingly early.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The American Academy of Dermatology notes that hereditary follicle shrinkage can begin during the teenage years, although it commonly becomes noticeable later.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_DHT_and_Androgen_Sensitivity\"><\/span>2. DHT and Androgen Sensitivity<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">One of the major biological drivers of male-pattern hair loss is <strong>dihydrotestosterone, or DHT<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DHT is produced from testosterone through an enzyme called <strong>5-alpha reductase<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However, the problem is not simply &#8220;having too much testosterone.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some people&#8217;s scalp follicles are genetically much more sensitive to androgen signalling.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In susceptible follicles:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Testosterone<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2193<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5-alpha reductase<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2193<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DHT<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2193<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Androgen receptor<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2193<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Progressive follicle miniaturization<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This explains why two men with similar hormone levels can have completely different hairlines.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">One may retain thick hair into old age while another begins receding in his early twenties.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Genetics determines much of that susceptibility.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Telogen_Effluvium_One_of_the_Most_Common_Causes_of_Sudden_Hair_Shedding\"><\/span>3. Telogen Effluvium: One of the Most Common Causes of Sudden Hair Shedding<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Someone may have thick healthy hair and suddenly start losing hundreds of hairs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A common explanation is <strong>telogen effluvium<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Something stresses the body and causes an unusually large number of growing follicles to enter the resting phase.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The confusing part is the delay.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The stressful event might happen today.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hair shedding frequently becomes obvious approximately <strong>2\u20134 months later<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Potential triggers include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>high fever,<\/li>\n\n\n\n<li>significant infection,<\/li>\n\n\n\n<li>surgery,<\/li>\n\n\n\n<li>hospitalization,<\/li>\n\n\n\n<li>major physical trauma,<\/li>\n\n\n\n<li>childbirth,<\/li>\n\n\n\n<li>rapid weight loss,<\/li>\n\n\n\n<li>severe calorie restriction,<\/li>\n\n\n\n<li>nutritional deficiency,<\/li>\n\n\n\n<li>major psychological stress,<\/li>\n\n\n\n<li>thyroid disorders,<\/li>\n\n\n\n<li>certain medications.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The shedding usually occurs across the entire scalp rather than creating one completely bald patch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fortunately, acute telogen effluvium is generally <strong>non-scarring<\/strong>, meaning the follicles remain present and hair can recover once the trigger resolves.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Severe_Psychological_Stress\"><\/span>4. Severe Psychological Stress<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">People often say:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;Stress made my hair fall out.&#8221;<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">There is some truth to this\u2014but it is frequently misunderstood.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Normal everyday stress does not necessarily make everyone suddenly bald.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">More significant physiological or psychological stress can trigger <strong>telogen effluvium<\/strong> in susceptible people.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples might include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>death of someone close,<\/li>\n\n\n\n<li>major relationship breakdown,<\/li>\n\n\n\n<li>extreme work stress,<\/li>\n\n\n\n<li>severe anxiety,<\/li>\n\n\n\n<li>traumatic events,<\/li>\n\n\n\n<li>prolonged sleep disruption combined with other stressors.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Hair usually doesn&#8217;t fall immediately during the stressful event.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Because of the hair cycle, shedding often becomes noticeable months later.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Fever_and_Serious_Illness\"><\/span>5. Fever and Serious Illness<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">A significant illness can disrupt normal hair cycling.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>severe viral illness,<\/li>\n\n\n\n<li>prolonged fever,<\/li>\n\n\n\n<li>major infections,<\/li>\n\n\n\n<li>hospitalization,<\/li>\n\n\n\n<li>serious systemic disease.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Again, the hair commonly begins shedding <strong>after the person has already recovered<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That timing sometimes makes the connection difficult to recognize.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Surgery_and_Physical_Trauma\"><\/span>6. Surgery and Physical Trauma<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Major surgery places considerable physiological stress on the body.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Factors can include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>anesthesia,<\/li>\n\n\n\n<li>inflammation,<\/li>\n\n\n\n<li>blood loss,<\/li>\n\n\n\n<li>reduced food intake,<\/li>\n\n\n\n<li>medication,<\/li>\n\n\n\n<li>recovery stress.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Several months later, diffuse shedding may occur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This again often represents telogen effluvium rather than destruction of hair follicles.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Rapid_Weight_Loss_and_Crash_Dieting\"><\/span>7. Rapid Weight Loss and Crash Dieting<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">One of the most overlooked causes of hair shedding is <strong>losing weight too quickly<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The follicle is metabolically active and requires adequate energy and nutrients.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Extreme calorie restriction may signal to the body that resources should be conserved.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Common scenarios include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>crash diets,<\/li>\n\n\n\n<li>prolonged fasting,<\/li>\n\n\n\n<li>very-low-calorie diets,<\/li>\n\n\n\n<li>eating disorders,<\/li>\n\n\n\n<li>rapid weight-loss programs,<\/li>\n\n\n\n<li>substantial illness-related weight loss.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A person can therefore lose significant weight successfully and then notice dramatic hair shedding several months later.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The weight loss may be intentional\u2014but the physiological stress can still affect hair cycling.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_Low_Protein_Intake\"><\/span>8. Low Protein Intake<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Hair shafts are made primarily from the structural protein <strong>keratin<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Severe or prolonged protein deficiency can interfere with normal hair production.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">People at greater risk can include those following:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>extremely restrictive diets,<\/li>\n\n\n\n<li>poorly planned weight-loss diets,<\/li>\n\n\n\n<li>diets with inadequate protein,<\/li>\n\n\n\n<li>severe malnutrition,<\/li>\n\n\n\n<li>illnesses affecting nutrient absorption.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The American Academy of Dermatology identifies inadequate protein intake as one nutritional cause of hair loss.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9_Iron_Deficiency\"><\/span>9. Iron Deficiency<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Iron deficiency is one of the nutritional problems commonly investigated in people experiencing diffuse hair shedding.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Risk may be greater with:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>heavy menstrual bleeding,<\/li>\n\n\n\n<li>restrictive diets,<\/li>\n\n\n\n<li>pregnancy,<\/li>\n\n\n\n<li>gastrointestinal bleeding,<\/li>\n\n\n\n<li>inadequate dietary intake,<\/li>\n\n\n\n<li>malabsorption.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Iron stores are often assessed using tests including <strong>serum ferritin<\/strong>, although interpretation depends on the person&#8217;s overall medical context.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Iron deficiency should be corrected when present.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However, taking high-dose iron without evidence of deficiency is not a smart hair-growth strategy; excessive iron can cause harm.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"10_Zinc_Deficiency\"><\/span>10. Zinc Deficiency<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Zinc participates in numerous cellular processes involved in normal skin and follicle biology.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Severe zinc deficiency can contribute to hair loss.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It may occur with:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>malnutrition,<\/li>\n\n\n\n<li>malabsorption,<\/li>\n\n\n\n<li>certain gastrointestinal diseases,<\/li>\n\n\n\n<li>highly restrictive diets,<\/li>\n\n\n\n<li>rare inherited conditions.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">But more zinc is not automatically better.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Evidence supporting zinc supplementation in people whose zinc levels are already adequate is limited, and excessive zinc can cause toxicity and interfere with copper metabolism.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"11_Vitamin_D\"><\/span>11. Vitamin D<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Vitamin D has received enormous attention in modern hair-loss research.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A 2024 systematic review and meta-analysis found vitamin D deficiency was common among people with several alopecia conditions, with stronger associations demonstrated particularly for alopecia areata and female-pattern hair loss. However, an association does not automatically prove that low vitamin D caused the hair loss or that supplements will reverse it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So the reasonable approach is:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Test when clinically appropriate \u2192 correct genuine deficiency \u2192 don&#8217;t assume mega-dosing vitamin D cures baldness.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"12_Biotin_Deficiency\"><\/span>12. Biotin Deficiency<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Biotin has become almost synonymous with &#8220;hair vitamins.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But true biotin deficiency is uncommon in otherwise healthy people eating a varied diet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When genuine deficiency exists, it can affect hair.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Biotin supplements have not been proven to reverse genetic hair loss simply because someone takes more biotin.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">High-dose biotin can also interfere with some laboratory tests.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The sensible strategy is therefore to treat a deficiency when one exists\u2014not assume that every person losing hair needs biotin.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"13_Too_Much_Vitamin_A_or_Selenium\"><\/span>13. Too Much Vitamin A or Selenium<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">An interesting paradox:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some nutrients can contribute to hair loss when there is <strong>too little<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Others can cause hair loss when there is <strong>too much<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Excessive vitamin A and selenium intake have both been associated with hair loss.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is one reason blindly combining multiple:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>multivitamins,<\/li>\n\n\n\n<li>hair gummies,<\/li>\n\n\n\n<li>herbal products,<\/li>\n\n\n\n<li>mineral supplements,<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">can sometimes backfire.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"14_Thyroid_Disease\"><\/span>14. Thyroid Disease<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Both insufficient and excessive thyroid activity can disturb normal hair cycling.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Possible thyroid-related hair changes include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>diffuse thinning,<\/li>\n\n\n\n<li>dry or brittle hair,<\/li>\n\n\n\n<li>increased shedding.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Hair loss alone does not establish thyroid disease.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But if shedding occurs alongside symptoms such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>unusual fatigue,<\/li>\n\n\n\n<li>temperature intolerance,<\/li>\n\n\n\n<li>unexplained weight changes,<\/li>\n\n\n\n<li>heart-rate changes,<\/li>\n\n\n\n<li>menstrual changes,<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">thyroid evaluation may be appropriate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Treating the underlying thyroid condition can often allow hair recovery.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"15_Polycystic_Ovary_Syndrome_%E2%80%94_PCOS\"><\/span>15. Polycystic Ovary Syndrome \u2014 PCOS<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">PCOS can produce increased androgen activity in some women.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Possible signs include combinations of:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>irregular menstrual cycles,<\/li>\n\n\n\n<li>acne,<\/li>\n\n\n\n<li>increased facial\/body hair,<\/li>\n\n\n\n<li>difficulty with weight management,<\/li>\n\n\n\n<li>scalp thinning.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The irony is that androgen excess can simultaneously cause:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>more hair on the face\/body<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">while contributing to:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>less hair on the scalp.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PCOS-related hair loss should therefore be treated as part of the overall hormonal condition rather than simply covered with a cosmetic hair product.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"16_Pregnancy_and_Postpartum_Hair_Shedding\"><\/span>16. Pregnancy and Postpartum Hair Shedding<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">During pregnancy, hormonal changes can keep more hairs in the growing phase.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hair may therefore appear unusually thick.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After childbirth, hormone levels change rapidly and many follicles enter the resting phase.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Several months later:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>large amounts of hair may suddenly shed.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is commonly called <strong>postpartum hair loss<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Although dramatic, it is usually temporary.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The American Academy of Dermatology reports that postpartum shedding often peaks around four months after childbirth, with fullness generally returning over subsequent months.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"17_Hormonal_Changes_and_Birth_Control\"><\/span>17. Hormonal Changes and Birth Control<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Starting or stopping certain hormonal contraceptives can alter hormone levels and occasionally trigger temporary shedding.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Not every woman experiences this.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When it occurs, the pattern can resemble telogen effluvium.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hormonal changes may also expose an underlying genetic tendency toward female-pattern hair loss.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"18_Menopause\"><\/span>18. Menopause<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Hormonal changes surrounding menopause can contribute to changes in scalp-hair density.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As estrogen levels change and the relative influence of androgens increases, genetically susceptible follicles may progressively miniaturize.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This can contribute to female-pattern hair loss.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Age-related changes in follicle growth also begin accumulating at the same time.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"19_Alopecia_Areata_When_the_Immune_System_Attacks_Hair_Follicles\"><\/span>19. Alopecia Areata: When the Immune System Attacks Hair Follicles<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Imagine suddenly discovering a perfectly smooth circular bald patch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">One important possibility is <strong>alopecia areata<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is an autoimmune disease.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The immune system mistakenly targets hair follicles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It can affect:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>scalp hair,<\/li>\n\n\n\n<li>eyebrows,<\/li>\n\n\n\n<li>eyelashes,<\/li>\n\n\n\n<li>beard,<\/li>\n\n\n\n<li>body hair.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Some people develop only one or two patches.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Others may develop extensive loss.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The encouraging part is that the autoimmune attack usually does <strong>not permanently destroy the follicle<\/strong>, so regrowth remains possible.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A dermatologist should evaluate suspected alopecia areata because modern treatments differ significantly from treatment for ordinary pattern baldness.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"20_Scarring_Alopecia_One_of_the_Most_Important_Causes_Not_to_Miss\"><\/span>20. Scarring Alopecia: One of the Most Important Causes Not to Miss<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Some types of hair loss permanently destroy the follicle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These are collectively called:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>cicatricial alopecia \/ scarring alopecia.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Inflammation attacks and eventually replaces follicles with scar tissue.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Once a follicle has been completely destroyed:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>it cannot produce another hair.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>lichen planopilaris,<\/li>\n\n\n\n<li>frontal fibrosing alopecia,<\/li>\n\n\n\n<li>central centrifugal cicatricial alopecia,<\/li>\n\n\n\n<li>discoid lupus erythematosus,<\/li>\n\n\n\n<li>folliculitis decalvans,<\/li>\n\n\n\n<li>dissecting cellulitis.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Possible warning signs include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>burning,<\/li>\n\n\n\n<li>scalp pain,<\/li>\n\n\n\n<li>severe itching,<\/li>\n\n\n\n<li>redness,<\/li>\n\n\n\n<li>pustules,<\/li>\n\n\n\n<li>crusting,<\/li>\n\n\n\n<li>shiny bald areas,<\/li>\n\n\n\n<li>disappearance of visible follicle openings.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This is one category where <strong>early dermatological evaluation really matters<\/strong>, because treatment aims to stop additional follicles from being destroyed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"21_Fungal_Infection_of_the_Scalp_%E2%80%94_Tinea_Capitis\"><\/span>21. Fungal Infection of the Scalp \u2014 Tinea Capitis<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Fungal scalp infections can cause hair loss.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tinea capitis is particularly common in children but can occur in adults.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Possible signs include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>scaling,<\/li>\n\n\n\n<li>itching,<\/li>\n\n\n\n<li>broken hairs,<\/li>\n\n\n\n<li>&#8220;black dots&#8221; where hairs have broken near the scalp,<\/li>\n\n\n\n<li>patches of hair loss,<\/li>\n\n\n\n<li>inflammation.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A severely inflamed form called a <strong>kerion<\/strong> may become swollen and painful.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Because tinea capitis infects the hair follicle itself, ordinary cosmetic anti-dandruff shampoo is generally not enough; proper antifungal treatment may be necessary.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"22_Severe_Scalp_Inflammation\"><\/span>22. Severe Scalp Inflammation<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Conditions affecting the scalp can indirectly contribute to shedding or breakage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>severe seborrheic dermatitis,<\/li>\n\n\n\n<li>psoriasis,<\/li>\n\n\n\n<li>eczema,<\/li>\n\n\n\n<li>inflammatory folliculitis.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Scratching and inflammation can worsen shedding and physically loosen or break hairs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For example, scalp psoriasis can be accompanied by temporary hair loss, with hair generally regrowing after the scalp disease is brought under control.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"23_Traction_Alopecia_Hairstyles_Can_Pull_Hair_Out\"><\/span>23. Traction Alopecia: Hairstyles Can Pull Hair Out<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Repeated physical tension can damage hair follicles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is called <strong>traction alopecia<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Possible triggers include repeatedly wearing:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>very tight ponytails,<\/li>\n\n\n\n<li>tight buns,<\/li>\n\n\n\n<li>cornrows,<\/li>\n\n\n\n<li>braids,<\/li>\n\n\n\n<li>locs,<\/li>\n\n\n\n<li>hair extensions,<\/li>\n\n\n\n<li>tightly attached weaves.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Early traction alopecia may be reversible.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But continued pulling over long periods can create scarring and <strong>permanent follicle destruction<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A hairstyle should not consistently cause:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>pain,<\/li>\n\n\n\n<li>scalp tenderness,<\/li>\n\n\n\n<li>stinging,<\/li>\n\n\n\n<li>bumps,<\/li>\n\n\n\n<li>broken hairs around the hairline.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Those can be warning signs that the tension is excessive.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"24_Bleaching_Straightening_Perming_and_Chemical_Damage\"><\/span>24. Bleaching, Straightening, Perming and Chemical Damage<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Hair outside the scalp is not living tissue.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Once the shaft has been severely damaged, the body cannot &#8220;heal&#8221; it in the same way it repairs skin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Repeated exposure to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>strong bleach,<\/li>\n\n\n\n<li>chemical relaxers,<\/li>\n\n\n\n<li>permanent dyes,<\/li>\n\n\n\n<li>perming agents,<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">can weaken the shaft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The hair may then:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>become brittle,<\/li>\n\n\n\n<li>split,<\/li>\n\n\n\n<li>break,<\/li>\n\n\n\n<li>appear significantly thinner.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This may look like follicular hair loss even when the underlying follicle remains healthy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Severe repeated chemical damage combined with scalp injury can potentially cause more lasting problems.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"25_Excessive_Heat\"><\/span>25. Excessive Heat<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Repeated high-temperature styling can damage the hair shaft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Potential sources include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>flat irons,<\/li>\n\n\n\n<li>curling irons,<\/li>\n\n\n\n<li>very hot blow-dryers,<\/li>\n\n\n\n<li>heated rollers.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Heat damage usually causes <strong>breakage<\/strong> rather than genetic-style follicle miniaturization.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Reducing temperature and frequency can help protect new hair as it grows.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"26_Aggressive_Brushing_and_Friction\"><\/span>26. Aggressive Brushing and Friction<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Repeated pulling and friction can contribute to hair breakage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>aggressive detangling,<\/li>\n\n\n\n<li>repeatedly pulling knots,<\/li>\n\n\n\n<li>constant friction,<\/li>\n\n\n\n<li>harsh towel drying.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">AAD also recognizes <strong>frictional alopecia<\/strong>, in which chronic rubbing can cause localized hair loss on areas of the body.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"27_Trichotillomania_Compulsive_Hair_Pulling\"><\/span>27. Trichotillomania: Compulsive Hair Pulling<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Trichotillomania is a condition involving repeated urges to pull out one&#8217;s own hair.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The person may pull hair from:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>scalp,<\/li>\n\n\n\n<li>eyebrows,<\/li>\n\n\n\n<li>eyelashes,<\/li>\n\n\n\n<li>beard,<\/li>\n\n\n\n<li>other body areas.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The result commonly looks different from alopecia areata because hairs of many different lengths can remain.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some people pull unconsciously while:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>studying,<\/li>\n\n\n\n<li>watching television,<\/li>\n\n\n\n<li>working,<\/li>\n\n\n\n<li>experiencing anxiety.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Repeated pulling can eventually damage follicles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Treatment addresses the behavioral\/psychological condition rather than merely trying to stimulate hair growth.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"28_Chemotherapy\"><\/span>28. Chemotherapy<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Chemotherapy targets rapidly dividing cells.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cancer cells divide rapidly\u2014but cells responsible for producing hair also divide rapidly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some chemotherapy drugs therefore interrupt active hair growth.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The resulting condition is called <strong>anagen effluvium<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unlike telogen effluvium, which commonly appears months after a trigger, anagen effluvium can begin within weeks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hair may be lost from:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>scalp,<\/li>\n\n\n\n<li>eyebrows,<\/li>\n\n\n\n<li>eyelashes,<\/li>\n\n\n\n<li>body.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Hair often begins growing again after treatment ends, although recovery can vary according to the treatment used.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"29_Radiation_Treatment\"><\/span>29. Radiation Treatment<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Radiation directed at the scalp can damage hair follicles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Whether hair regrows depends partly on the radiation dose.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lower exposures may cause temporary loss.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Higher doses can produce permanent follicle damage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Radiation elsewhere in the body generally does not make scalp hair fall out in the same way as radiation directly involving the scalp.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"30_Other_Medications\"><\/span>30. Other Medications<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Hair loss or increased shedding can occur as a side effect of certain medications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Drug-related shedding can involve different biological mechanisms.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Classes reported in association with hair loss include some:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>anticoagulants,<\/li>\n\n\n\n<li>retinoids,<\/li>\n\n\n\n<li>anticonvulsants,<\/li>\n\n\n\n<li>cardiovascular drugs,<\/li>\n\n\n\n<li>psychiatric medicines,<\/li>\n\n\n\n<li>hormonal medications,<\/li>\n\n\n\n<li>immunomodulatory drugs.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The exact risk varies significantly between drugs and individuals.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Most importantly:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Do not stop a prescribed medication simply because you suspect it is causing hair loss.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Stopping some medications abruptly can be dangerous.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Instead, discuss the timing and symptoms with the prescribing physician.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"31_Toxins_and_Poisoning\"><\/span>31. Toxins and Poisoning<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Certain toxins can interfere dramatically with hair production.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples described in medical literature include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>thallium,<\/li>\n\n\n\n<li>arsenic,<\/li>\n\n\n\n<li>mercury.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Excessive exposure to some substances and nutrients can also cause shedding.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These causes are uncommon, but they become important when hair loss occurs alongside other unexplained systemic symptoms.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"32_Autoimmune_and_Systemic_Diseases\"><\/span>32. Autoimmune and Systemic Diseases<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Hair loss can sometimes be a manifestation of a broader medical condition.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>systemic lupus erythematosus,<\/li>\n\n\n\n<li>thyroid disease,<\/li>\n\n\n\n<li>severe chronic illness,<\/li>\n\n\n\n<li>autoimmune disease.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">In these situations, treating only the scalp may miss the real problem.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"33_Syphilis_and_Certain_Infections\"><\/span>33. Syphilis and Certain Infections<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Untreated secondary syphilis can occasionally cause patchy hair loss, sometimes described as a &#8220;moth-eaten&#8221; appearance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hair can generally recover once the infection is properly treated.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hair loss accompanied by unexplained systemic symptoms or relevant infection risk should therefore be medically evaluated rather than treated only with cosmetic products.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"34_Age-Related_Hair_Thinning\"><\/span>34. Age-Related Hair Thinning<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Even without classic baldness, hair biology changes with age.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Follicles may:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>spend less time actively growing,<\/li>\n\n\n\n<li>produce thinner shafts,<\/li>\n\n\n\n<li>regenerate more slowly.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Consequently, overall hair density often decreases gradually with age.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is biologically different from a 22-year-old rapidly developing hereditary pattern hair loss.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_More_Than_One_Cause_Happen_at_the_Same_Time\"><\/span>Can More Than One Cause Happen at the Same Time?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Absolutely.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is extremely important.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Someone may already have mild genetic pattern hair loss and then experience:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>genetic thinning<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>severe illness<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2193<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>telogen effluvium<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The sudden shedding can make previously subtle genetic thinning dramatically more visible.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Likewise:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PCOS + iron deficiency + female-pattern hair loss<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">may coexist.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is why online photographs and single blood tests do not always provide the full answer.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Does_Dandruff_Cause_Baldness\"><\/span>Does Dandruff Cause Baldness?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Ordinary dandruff itself is not the typical cause of permanent pattern baldness.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However, severe scalp inflammation, scratching, secondary infection, psoriasis, or significant seborrheic dermatitis can contribute to temporary shedding or hair breakage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Persistent:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>redness,<\/li>\n\n\n\n<li>severe scaling,<\/li>\n\n\n\n<li>pustules,<\/li>\n\n\n\n<li>bleeding,<\/li>\n\n\n\n<li>pain,<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">deserves medical evaluation.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Does_Shampoo_Cause_Hair_Loss\"><\/span>Does Shampoo Cause Hair Loss?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Usually, shampoo simply reveals hairs that were already ready to shed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">During washing, many resting hairs are released simultaneously.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This creates the impression:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;My shampoo caused all this hair to fall.&#8221;<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">But avoiding shampoo does not prevent genetic hair loss or telogen effluvium.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Very harsh products can irritate the scalp or damage the hair shaft, but routine appropriate shampooing does not normally destroy healthy follicles.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Does_Wearing_a_Cap_Cause_Baldness\"><\/span>Does Wearing a Cap Cause Baldness?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Ordinary loose hats and caps do not cause male-pattern baldness.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Genetic pattern loss occurs inside the follicle through biological mechanisms\u2014not because the scalp &#8220;cannot breathe.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hair follicles obtain oxygen and nutrients through the bloodstream, not directly from the surrounding air.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However, repetitive severe friction or tension from particular headwear could damage hair in localized areas.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Does_Poor_Blood_Circulation_Cause_Baldness\"><\/span>Does Poor Blood Circulation Cause Baldness?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Hair follicles require a blood supply.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But ordinary male-pattern baldness is not simply caused by &#8220;bad scalp circulation.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If insufficient circulation were the main problem, scalp massage alone would cure pattern baldness.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It does not.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Androgen sensitivity, genetics, follicle biology, immune signalling, inflammation and other mechanisms are much more important.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Doctors_Work_Out_the_Cause\"><\/span>How Doctors Work Out the Cause<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Hair loss diagnosis often begins with something surprisingly powerful:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>a detailed history and examination.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A dermatologist may ask:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>When did shedding begin?<\/li>\n\n\n\n<li>Sudden or gradual?<\/li>\n\n\n\n<li>Whole scalp or one area?<\/li>\n\n\n\n<li>Any illness 2\u20134 months earlier?<\/li>\n\n\n\n<li>Recent fever?<\/li>\n\n\n\n<li>Surgery?<\/li>\n\n\n\n<li>Weight loss?<\/li>\n\n\n\n<li>New diet?<\/li>\n\n\n\n<li>New medications?<\/li>\n\n\n\n<li>Pregnancy?<\/li>\n\n\n\n<li>Menstrual changes?<\/li>\n\n\n\n<li>Family history?<\/li>\n\n\n\n<li>Tight hairstyles?<\/li>\n\n\n\n<li>Hair treatments?<\/li>\n\n\n\n<li>Scalp itching or pain?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">They may then examine the scalp using <strong>trichoscopy\/dermoscopy<\/strong>, which magnifies follicles and hair shafts.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Depending on the suspected cause, testing might include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>complete blood count,<\/li>\n\n\n\n<li>ferritin\/iron studies,<\/li>\n\n\n\n<li>thyroid testing,<\/li>\n\n\n\n<li>selected nutritional tests,<\/li>\n\n\n\n<li>hormonal investigations when clinically indicated,<\/li>\n\n\n\n<li>fungal testing,<\/li>\n\n\n\n<li>scalp biopsy for suspected scarring alopecia.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Not everyone needs every test.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Testing should be based on the history and pattern of loss.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Which_Hair_Loss_Usually_Grows_Back\"><\/span>Which Hair Loss Usually Grows Back?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">A simplified overview:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Cause<\/th><th>Can hair grow back?<\/th><\/tr><\/thead><tbody><tr><td>Normal shedding<\/td><td>Yes<\/td><\/tr><tr><td>Acute telogen effluvium<\/td><td>Usually<\/td><\/tr><tr><td>Postpartum shedding<\/td><td>Usually<\/td><\/tr><tr><td>Nutritional deficiency<\/td><td>Often, after correction<\/td><\/tr><tr><td>Thyroid-related loss<\/td><td>Often improves after treatment<\/td><\/tr><tr><td>Alopecia areata<\/td><td>Possible; course varies<\/td><\/tr><tr><td>Fungal infection<\/td><td>Usually if treated early<\/td><\/tr><tr><td>Early traction alopecia<\/td><td>Often<\/td><\/tr><tr><td>Advanced traction with scarring<\/td><td>May be permanent<\/td><\/tr><tr><td>Genetic pattern hair loss<\/td><td>Can often be slowed\/improved; tends to progress untreated<\/td><\/tr><tr><td>Chemotherapy<\/td><td>Often<\/td><\/tr><tr><td>Hair-shaft breakage<\/td><td>New healthy hair can grow<\/td><\/tr><tr><td>Scarring alopecia<\/td><td>Destroyed follicles do not regrow<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_Hair_Loss_Should_Be_Checked_Quickly\"><\/span>When Hair Loss Should Be Checked Quickly<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Arrange medical evaluation particularly if you notice:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>sudden severe shedding,<\/li>\n\n\n\n<li>rapidly expanding bald patches,<\/li>\n\n\n\n<li>smooth circular bald spots,<\/li>\n\n\n\n<li>eyebrow or eyelash loss,<\/li>\n\n\n\n<li>significant scalp pain,<\/li>\n\n\n\n<li>burning,<\/li>\n\n\n\n<li>pus or pustules,<\/li>\n\n\n\n<li>heavy crusting,<\/li>\n\n\n\n<li>bleeding,<\/li>\n\n\n\n<li>shiny areas where follicle openings disappear,<\/li>\n\n\n\n<li>hair loss in a child,<\/li>\n\n\n\n<li>unexplained weight change,<\/li>\n\n\n\n<li>major fatigue,<\/li>\n\n\n\n<li>menstrual\/hormonal abnormalities,<\/li>\n\n\n\n<li>signs of systemic illness.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Scarring alopecia deserves particular attention because treatment may prevent <strong>additional permanent follicle destruction<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dont_Start_With_Hair_Gummies%E2%80%94Start_With_the_Cause\"><\/span>Don&#8217;t Start With Hair Gummies\u2014Start With the Cause<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Modern hair-loss marketing makes the solution look simple:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Hair falling? \u2192 Take biotin.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Reality is far more complicated.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hair loss might be caused by:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Genetics<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">or<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DHT sensitivity<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">or<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Iron deficiency<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">or<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Thyroid disease<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">or<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Rapid weight loss<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">or<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Autoimmune disease<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">or<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A fungal infection<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">or<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Medication<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">or<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Scalp inflammation<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">or<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Physical traction<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">or<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>several of them simultaneously.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No single shampoo, vitamin, oil, laser or medication appropriately treats all of those conditions.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Most_Important_Principle_in_Hair_Loss\"><\/span>The Most Important Principle in Hair Loss<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Think of hair loss as a warning light.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If the warning light appears in a car, replacing the bulb doesn&#8217;t repair the engine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Similarly:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Hair loss is a symptom. The first job is finding its cause.<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">For some people, the answer is genetic.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For others, it is temporary physiological stress.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For others, it is nutrition.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For others, it is hormonal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">And for a smaller but important group, inflammation is actively destroying follicles and needs prompt treatment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That is why the best modern approach is:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Identify the pattern<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2193<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Find the mechanism<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2193<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Treat the underlying cause<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2193<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Protect surviving follicles<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2193<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Support regrowth where biologically possible<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Final_Takeaway\"><\/span>Final Takeaway<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">There isn&#8217;t one reason for hair fall.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There are dozens.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But most cases can be organized into a few major categories:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Genetic and hormonal hair loss<\/strong><\/li>\n\n\n\n<li><strong>Temporary stress-related shedding<\/strong><\/li>\n\n\n\n<li><strong>Nutritional deficiencies<\/strong><\/li>\n\n\n\n<li><strong>Endocrine and hormonal disorders<\/strong><\/li>\n\n\n\n<li><strong>Autoimmune disease<\/strong><\/li>\n\n\n\n<li><strong>Scalp infections and inflammation<\/strong><\/li>\n\n\n\n<li><strong>Scarring alopecia<\/strong><\/li>\n\n\n\n<li><strong>Physical and chemical hair damage<\/strong><\/li>\n\n\n\n<li><strong>Medication or cancer-treatment related loss<\/strong><\/li>\n\n\n\n<li><strong>Systemic disease, toxins and other uncommon causes<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">And perhaps the most important message is:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Early_hair_loss_does_not_necessarily_mean_permanent_baldness\"><\/span>Early hair loss does not necessarily mean permanent baldness.<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Many causes are reversible.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Even genetic hair loss can frequently be slowed considerably when recognized early.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But follicles destroyed by advanced scarring cannot simply be restarted.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So instead of spending months experimenting with oils, supplements and shampoos, someone experiencing persistent or progressive hair loss should first determine <strong>what type of hair loss is actually occurring<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That single decision can make more difference than almost any product sitting on a pharmacy shelf.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Medical_Evidence_Note\"><\/span>Medical Evidence Note<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This article reflects dermatology guidance and contemporary research available through 2026. The American Academy of Dermatology recognizes hereditary hair loss, alopecia areata, illness-related shedding, hormonal disorders, nutritional deficiencies, medication effects, scalp infections, traction, hair-care damage and scarring alopecias among important causes of hair loss.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Recent systematic reviews also support associations between hair disorders and nutritional factors including iron, vitamin D and several micronutrients, while emphasizing that evidence is inconsistent for some nutrients and that indiscriminate supplementation is not justified.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Disclaimer\"><\/span>Disclaimer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This article is for educational purposes and is not a substitute for medical diagnosis. Persistent, sudden, patchy, painful, inflammatory or rapidly progressive hair loss should be evaluated by a qualified dermatologist or healthcare professional.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Finding hair on your pillow, in the shower drain, on your clothes, or collecting in your hairbrush can be alarming. [&hellip;]<\/p>\n","protected":false},"author":31,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6461],"tags":[],"class_list":["post-13037","post","type-post","status-publish","format-standard","hentry","category-health-fitness"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Why Is My Hair Falling Out? 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