Prescription drug · Used for seizures and nerve pain

Tegretol side effects

carbamazepine

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

A severe skin reaction linked to a gene common in parts of Asia

It's a boxed warning. People with Asian ancestry should be tested for the gene before starting.

From the FDA label

“HLA-B*1502 IS FOUND ALMOST EXCLUSIVELY IN PATIENTS WITH ANCESTRY ACROSS BROAD AREAS OF ASIA.”

Tegretol label, updated Aug 20, 2026 · Read the full label on DailyMed

What to watch for

If you have Asian ancestry, ask about a genetic test first. Stop and call your doctor at the first sign of a rash.

1,276 reports to the FDA's adverse event system mention Stevens-Johnson syndrome or TEN. A report is not proof the drug caused it. See the query

From quiz No. 20 · October 14, 2026 · Play that quiz →

Play today's 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.