Hypersensitivity to levofloxacin or other quinolones. Discontinue if eyelid redness/swelling, rash, muscle pain, tendinopathy; superinfection occurs. Not for inj or subconjunctival inj or introduction directly into anterior chamber. Overgrowth of nonsusceptible organisms w/ prolonged use. Hepatotoxicity or renal toxicity. Pregnancy & lactation.