what is finasteride for
Finasteride prevents the conversion of testosterone to dihydrotestosterone (DHT) in the body. DHT is involved in the development of benign prostatic hyperplasia (BPH). Finasteride is used to treat male pattern hair loss in men. It is also used to treat symptoms of benign prostatic hyperplasia (BPH) in men with an enlarged prostate. Finasteride may also be used for purposes not listed in this medication guide.
Finasteride is a drug that belongs to the class of androgen inhibitors, which means that it blocks the production of male sex hormones. It is sold in the United States and Canada under the brand names Proscar and Propecia.