Online Propecia (Finasteride)
Men’s Health • Educational only; not medical advice. Prescriptions at clinician discretion.
Overview
Finasteride, marketed as Propecia, is a 5-alpha-reductase inhibitor that decreases conversion of testosterone to dihydrotestosterone (DHT). Approved in 1997 for androgenetic alopecia, it slows hair loss and promotes regrowth in genetically predisposed men.
Uses
Treats male-pattern baldness involving the vertex and anterior mid-scalp. A higher-dose version (5 mg, Proscar) is indicated for benign prostatic hyperplasia (BPH).Dosage & Administration
For hair loss: 1 mg once daily, with or without food. Consistent use for at least 3–6 months is necessary before results appear; discontinuation reverses benefits within a year.Side Effects & Warnings
Common: decreased libido, erectile dysfunction, and reduced semen volume. Rare but notable: breast tenderness or enlargement, depression, and persistent sexual dysfunction (post-finasteride syndrome). Contraindicated in women and children; exposure in pregnancy can cause male-fetus abnormalities.Patient Considerations
Handle tablets carefully—pregnant women should avoid crushed or broken tablets. Report breast lumps or mood changes.Ready for next steps?
Frequently asked questions
How long must I take Propecia to see results?
Usually 3 to 6 months of daily use.
Will hair loss return if I stop?
Yes, most gains are lost within 12 months after discontinuation.
Can women use Propecia?
No—it is contraindicated in females, especially during pregnancy.
Government / NIH sources
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