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.
Meet Our Providers
Dr. Annie Casta, M.D., FAAP
Pediatrics Specialist
Providing compassionate pediatric care, wellness exams, and preventive treatments for children and adolescents.
Learn MoreDr. Jorge Trapaga, ARNP
Family Medicine & Primary Care
Specializing in primary care, chronic disease management, and wellness services for adults and families.
Meet Dr. TrapagaUses
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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