Levaquin is a powerful antibiotic that is used to treat serious bacterial infections. It belongs to a class of antibiotics called quinolones, which work by killing bacteria or preventing them from growing. Levaquin is approved for use in adults and children who are at least 18 years old.

Side Effects

Levaquin can cause serious side effects, including tendonitis and rupture, nerve damage, dangerous irregular heartbeat, and life-threatening allergic reactions. Levaquin should be used only for infections that cannot be treated with safer antibiotics.


Levaquin is available in tablet and oral solution form. The usual adult dose is 250-750 mg once daily for 7-14 days. Levaquin should be taken with food or milk to avoid stomach upset.

Drug Interactions

Levaquin can interact with other medications, herbs, vitamins, and supplements that you are taking. Be sure to tell your doctor about all of the medications, herbs, vitamins, and supplements that you are taking before starting Levaquin.

Pregnancy and Levaquin

Levaquin should be used only when necessary during pregnancy. This medication can pass into breast milk and may cause serious side effects in a nursing baby.