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==Function==
==Function==


Finasteride is a synthetic 4-azasteroid compound, and acts as a 5α-reductase inhibitor. The 5α-reductase enzyme is very important in the metabolism of many of the steroids produced by the body, in particular the conversion of testosterone to dihydrotestosterone (DHT). For this reason, Finasteride is used as a treatment for benign prostate hyperplasia (BPH), which is caused by an overproduction of DHT in the male prostate. Pattern hair loss, another condition in men, caused by the build up of DHT, can also be treated with Finasteride.
Finasteride is a synthetic 4-azasteroid compound that acts as a 5α-reductase inhibitor. The 5α-reductase enzyme is very important in the metabolism of many of the steroids produced by the body, in particular the conversion of testosterone to dihydrotestosterone (DHT). For this reason, Finasteride is used as a treatment for benign prostate hyperplasia (BPH), which is caused by an overproduction of DHT in the male prostate. Pattern hair loss, another condition in men, caused by the build up of DHT, can also be treated with Finasteride.


==Structure==
==Structure==