Whenever I comb or wash my hair, large amounts of hair come out. I did some tests recently, and the results are: Vitamin D: 29.52 ng/mL (low) Serum ferritin: 29.70 ng/mL Hemoglobin: 13.4 g/dL TSH: 1.074 microIU/mL What could be causing this hair loss, and what should I do to manage it?

Answered by 1 Apollo Doctors

Dr Dhankecha Dineshbhai

General Practitioner

MBBS
6+ Yrs

Consult Now

Your vitamin D and ferritin levels are borderline low, which can cause excessive hair fall. TSH and Hb are normal, so thyroid and anemia are ruled out. Hair fall improves when ferritin more than 70 ng/mL and vitamin D more than 50 ng/mL. Take vitamin D3 weekly and iron rich foods or supplements.

Dr. Dhankecha Suggests...

Take a Vitamin D Test Test or Take a Ferritin Test Test

Book Vitamin D Test Test Book Ferritin Test Test

Answered 09/09/2025

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