Comparing the therapeutic effects of finasteride gel and tablet in treatment of the androgenetic alopecia.

Background: Finasteride, a type II-selective 5alpha-reductase inhibitor, as a causative agent of decreasing dihydroxy testosterone (DHT) level, is effective in the treatment of male androgenic alopecia.

Aim: We compared the local and oral finasteride in the treatment of androgenic alopecia.

Method: This is a double blind, randomized clinical trial study of 45 male patients, who were referred with alopecia to the private clinics and departments in Boo-Ali Sina Hospital, in Sari.