About finasteride
Topical 5-alpha-reductase inhibitor
Used for
- Treatment of male pattern hair loss in adult men
Usual adult dose
Usually 1–4 sprays once daily, applied to affected scalp; follow the product leaflet.
Common side effects
- Scalp itching, redness, dryness, or irritation
- Reduced sexual desire or erectile difficulties
- Breast tenderness or enlargement
Important warnings
- For external use on the scalp only; avoid eyes and broken skin.
- Wash hands after use and prevent transfer to others, especially pregnant people.
- May affect prostate-specific antigen (PSA) test results.
- Effects usually require continued use and may take several months.
Pregnancy
Avoid exposure during pregnancy. Finasteride may harm development of a male fetus.
Breastfeeding
Not intended for use by women; avoid exposure during breastfeeding.
Interactions
- No major interactions are expected with correctly applied topical use.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.