Your Side Effects May IncludePropecia side effects
finasteride
This side effect is printed on the FDA label for Propecia. It was a question in our daily quiz, where you pick the real side effect from four choices.
Breast growth in men, and rarely breast cancer
The label also lists depression. Women who are or may be pregnant shouldn't handle crushed or broken tablets.
“in rare cases, male breast cancer.”
Tell your doctor about breast lumps, pain or nipple discharge, and about low mood or thoughts of self-harm.
671 reports to the FDA's adverse event system mention male breast growth or cancer. A report is not proof the drug caused it. See the query
From quiz No. 20 · October 14, 2026 · Play that quiz →
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Not medical advice. Don't stop or start a medication because of a quiz. Talk to your doctor or pharmacist. Label text and report counts from openFDA. Not affiliated with any drug maker.