Head-to-head comparisons of medication uses, side effects, warnings, and more.
Finasteride (Propecia)
Minoxidil (Rogaine)
Finasteride (Propecia)
Minoxidil (Rogaine)
Summary of Propecia vs. Rogaine
Summary for 5-alpha reductase inhibitor
Prescription only
Finasteride (brand name Propecia) is a prescription medication used to treat male pattern baldness in adult men. It works by lowering levels of a hormone in your body that's linked to hair loss. You take it by mouth once a day, with or without food. Common side effects can include sexual problems, such as a lower sex drive, trouble getting or keeping an erection, or less semen during ejaculation.
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Note: Finasteride (Propecia) is different from finasteride (Proscar) used to treat enlarged prostate.
Summary for Vasodilator
Topical minoxidil, also known as brand name Men's Rogaine and Women's Rogaine, is an over-the-counter (OTC) product used to treat hair loss in people with a family history. It comes as a topical solution, foam, or spray. You apply it to your scalp once or twice a day, depending on the product. Common side effects include scalp irritation and temporary hair shedding when you first start using it.