Levofloxacin
Anti-infective · Rx
Trade namesQuixin 0.5%, Iquix 1.5%
Drug classAntibiotic, 3rd-gen fluoroquinolone
Strength0.5%, 1.5%
AvailabilityRx
Mechanism of actionL-isomer of ofloxacin; broad spectrum, good corneal penetration (1.5% for ulcers).
Indication / reason for useBacterial conjunctivitis (0.5%); bacterial corneal ulcer (1.5%).
Usual adult dosingConjunctivitis: q2h up to 8×/day for 2 days, then QID. Ulcer: q30min-2h initially per protocol.
PreservativeBAK
Contact lensesNo lens wear during infection.
Common / important adverse effectsTransient decreased vision, fever, foreign-body sensation, headache.
Contraindications & cautionsFluoroquinolone hypersensitivity.
Pregnancy / lactationLimited data.
Chair-side reference only. Dosing, contraindications and pregnancy guidance here are not exhaustive. Confirm against the current prescribing information and the patient’s full history before prescribing or advising.