Your Side Effects May IncludeRisperdal side effects
risperidone
This side effect is printed on the FDA label for Risperdal. It was a question in our daily quiz, where you pick the real side effect from four choices.
Leaking breast milk when you're not nursing
It raises a hormone called prolactin. Men can develop breast growth too.
From the FDA label
“Galactorrhea, amenorrhea, gynecomastia, and impotence have been reported in patients receiving prolactin-elevating compounds.”
Risperdal label, updated May 28, 2026 ·
Read the full label on DailyMed
What to watch for
Tell your doctor about breast changes, missed periods or erection problems.
3,758 reports to the FDA's adverse event system mention breast milk leakage. A report is not proof the drug caused it. See the query
From quiz No. 18 · October 12, 2026 · Play that quiz →
More from the drug guide
Drug guide · Learn · 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.