<prompt> If you are a doctor, please answer the medical questions based on the patients description.I have iron deficiency anemia -- ferritin value 8. Ive been on iron supplements for 6 weeks now. Am very upset about increased hair loss which started a few months ago. My hair is badly thinned now. Im worried I will lose all my hair before my iron levels are back to normal. How long before my hair starts to grow back ??  <response>: Hello, Thank you for posting on Chat Doctor. I appreciate your concern regarding hair fall. Hair fall is usually ascribed to multiple factors like diet and nutrition, hormones, stress, acute or chronic medical conditions, Chat Doctor. From your description, it seems you might be having Halogen Effluvium, which is hairball secondary to stress. If I were your dermatologisttrichologist, I would like to take through history including family history, history of recent major traumaillnessstressmedications etc. and recommend some basic investigations like CBC, blood sugar, Thyroid function test. Some other special investigations like pictogram and endoscopy and further aid in diagnosis and prognosis. I would suggest you a course of oral tablets containing biotin and other essential vitamins and minerals for minimum 3 months. Also, would put you on solution containing 5 minoxidil once a day and a hair serum containing peptides for hair growth at night.Q era etc.. I would advise use of gentle shampoo and conditioner on regular basis and use of coconut oil twice a week. Also inquire from your dermatologist about upcoming treatment options like monotherapy and platelet-rich plasma. Avoid combing in wet hair and let them 