Your Side Effects May Include
Prescription drug · Used for seizures and bipolar disorder

Lamictal XR side effects

lamotrigine

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

A rash that can become life-threatening

Risk is higher in children and when the dose goes up faster than recommended.

From the FDA label
“Cases of life-threatening serious rashes, including Stevens-Johnson syndrome and toxic epidermal necrolysis, and/or rash-related death have been caused by lamotrigine.”
Lamictal XR label, updated Oct 10, 2025 · Read the full label on DailyMed
What to watch for

Call your doctor at the first sign of any rash. Don't restart it on your own after stopping.

3,475 reports to the FDA's adverse event system mention serious skin reactions. A report is not proof the drug caused it. See the query

From quiz No. 10 · October 4, 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.