I'm 23, female, hair thinning since age 12. Diffuse. Have had scabs/pimples on scalp for weeks at a time randomly through this time. Easily go away by washing hair more often or by using fluocinide for a couple days (only have been using it for about 5 months) Bloodwork shows TSH around 2.6, ferritin was kind of low at 12, so I've been taking iron for the past year religiously with vitamin C, but hair hasn't grown, also vitamin D was low, and I've been taking D3 for it regularly for 10 months and it hasn't helped. Also take 5000 mgs of bioitin, a multivitamin, and occasionally melatonin at night. All these vitamins I started about a year ago. I also eat either salmon or avocado or flax seed daily, lots of veggies and fruits, and I eat red meat every day (for iron). I'm 5 ft 6 and weigh between 135 to 145. I have a pretty sedentary life style. I don't work out, but I used to work out like crazy from age 12 to 19 and it didn't help my hair at all- still lost it then. My testosterone comes back normal, but I have a lot of facial and neck hair. My scalp always feels itchy or tingly or this weird crawly feeling. I don't know what to do or how to stop my hair loss. All the females on both sides of my family have thick hair, only some of the men on my dad's side have the horse shoe balding pattern. I tried rogaine for women between the ages of 13-14 and it didn't do anything. I tried rogaine for men for about a week and it was too strong and burned my scalp so I returned it and never tried rogaine again. I drink tons of water. I usually am stressed from school, but work hard on reducing it. I don't know what to do. Is there anything I haven't tried? Why can't doctors diagnose me?!