Hello doc, im 19 years old. I had dandruff for some months which kept increasing and reducing. There was little hairfall, not much. I was prescribed vitamin tablets when went to dermatologist. Im using ketoconazole for dandruff. I took them for some days then suddenly my hair started falling way too much, 10 strands come out at once. Whole day atleast 50-60 strands are coming out since past 10 days. I will consult dermatologist. What could be the possible reasons for this sudden excessive hairfall?? It's causing me panic now.