Side effects requiring immediate medical attention
Along with its needed effects, levofloxacin (the active ingredient contained in Levaquin) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking levofloxacin:
More common
- Diarrhea
Rare
- Agitation
- blisters
- confusion
- diarrhea (watery and severe) which may also be bloody
- feeling that others can hear your thoughts or control your behavior
- fever
- pain, inflammation, or swelling in the calves of the legs, shoulders, or hands, including tendon rupture or swelling of the tendon (tendinitis)
- redness and swelling of the skin
- seeing, hearing, or feeling things that are not there
- sensation of burning on the skin
- severe mood or mental changes
- stomach cramps or pain (severe)
- skin rash, itching, or redness
- trembling
- unusual behavior
