Your Side Effects May Include
Prescription drug · Used for lupus and rheumatoid arthritis

Plaquenil side effects

hydroxychloroquine

This side effect is printed on the FDA label for Plaquenil. It was a question in our daily quiz, where you pick the real side effect from four choices.

Permanent damage to the back of the eye

The risk grows with the total dose over time, which is why regular eye exams are recommended.

From the FDA label
“Irreversible retinal damage is related to cumulative dosage and treatment duration.”
Plaquenil label, updated Apr 9, 2026 · Read the full label on DailyMed
What to watch for

Get an eye exam when you start and regular ones after, and report any change in your vision.

694 reports to the FDA's adverse event system mention retina damage. A report is not proof the drug caused it. See the query

From quiz No. 6 · September 30, 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.