Your Side Effects May IncludeAldactone side effects
spironolactone
This side effect is printed on the FDA label for Aldactone. It was a question in our daily quiz, where you pick the real side effect from four choices.
Men can grow breasts
Breast growth in men gets its own warning section on the label. It's usually reversible.
“ALDACTONE can cause gynecomastia.”
Tell your doctor about breast swelling or tenderness. Avoid potassium supplements and salt substitutes unless your doctor okays them.
477 reports to the FDA's adverse event system mention breast growth in men. A report is not proof the drug caused it. See the query
From quiz No. 6 · September 30, 2026 · Play that quiz →
More from the drug guide
Drug guide · About · Privacy · Terms · Contact
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.