Your Side Effects May IncludeDupixent side effects
dupilumab
This side effect is printed on the FDA label for Dupixent. It was a question in our daily quiz, where you pick the real side effect from four choices.
Cold sores on your mouth or lips
An eczema shot that can bring on cold sores. Eye inflammation is on the list too.
“Most common adverse reactions are: Atopic Dermatitis (incidence ≥1%): injection site reactions, conjunctivitis, blepharitis, oral herpes, keratitis, eye pruritus, other herpes simplex virus infection, dry eye, and eosinophilia.”
Tell your doctor about new or worsening eye problems, like redness, itching or blurred vision.
3,562 reports to the FDA's adverse event system mention cold sores or herpes simplex. A report is not proof the drug caused it. See the query
From quiz No. 4 · September 28, 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.