Finasteride
Daily oral tablet
1 mg
5 mg
Finasteride is an oral medication used to treat two main conditions in men:
Male pattern hair loss
(at 1 mg daily)
Benign prostatic hyperplasia (BPH) or prostate enlargement
(at 5 mg daily)
It works by blocking the conversion of testosterone to dihydrotestosterone (DHT)—a hormone that contributes to hair thinning and prostate growth.
Benefits of Finasteride
- Slows or stops hair loss in the crown and mid-scalp area
- Promotes hair regrowth in some men
- Improves urinary symptoms related to BPH
- Reduces the risk of needing prostate surgery for BPH
Things to Know
- Results for hair loss may take 3–6 months
- Side effects can include reduced libido or erectile dysfunction (typically rare and reversible)
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