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5-Alpha Reductase Inhibitors

5-Alpha reductase inhibitors are used to treat baldness, benign prostate hyperplasia and prostate cancer. They work by blocking the action of the 5-alpha reductase enzyme that converts testosterone into dihydrotestosterone, raising testosterone levels. Among the most commonly prescribed 5-alpha reductase inhibitors are Proscar (finasteride) and Avodart (dutasteride).

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