(Active Ingredient: Finasteride)
Proscar is used for treating urinary problems caused by an enlarged prostate gland (benign prostatic hyperplasia).
Do NOT use Proscar if:
All medicines may cause side effects, but many people have no, or minor, side effects.
Check with your doctor if any of these most common side effects persist or become bothersome:
Decreased sexual desire or ability.
Seek medical attention right away if any of these severe side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); breast enlargement, lumps, pain, or tenderness; nipple discharge; testicular pain.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider.