Your Side Effects May IncludeLevofloxacin (Levaquin) side effects
This side effect is printed on the FDA label for Levofloxacin. It was a question in our daily quiz, where you pick the real side effect from four choices.
A bulge or tear in the body's main artery
It's in the same drug family as Cipro, which also carries warnings about torn tendons.
From the FDA label
“Aortic aneurysm and dissection: Inform patients to seek emergency medical care if they experience sudden chest, stomach, or back pain.”
Levofloxacin label, updated Sep 1, 2026 ·
Read the full label on DailyMed
What to watch for
Get emergency care for sudden chest, stomach or back pain.
138 reports to the FDA's adverse event system mention an aortic aneurysm or dissection. A report is not proof the drug caused it. See the query
From quiz No. 16 · October 10, 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.