Diagnosed with TE diffuse hair loss from 3 different derms. Had an eating disorder (bulimia) when hair loss started but have been recovered for 6 months now. Have some regrowth. Had a low ferritin of 14, but it is currently 90 after supplementing. I've been on Yaz for 3+ years, recent blood showed SHBG to be 677 (range: 30-135). TSH (2.055), T3 (2.9) & T4 (1.1) tested and are normal. Only other drug I've taken is ambien 5-10mg for the last year. Stopped it in last month. Could this be a trigger?