Bacterial conjunctivitis: Days 1 and 2: 1 drop in the affected eye(s) (while awake) every 2 hours up to 8 times daily.
Days 3-7: 1 drop in the affected eye(s) (while awake) up to 4 times daily.
Bacterial keratitis: 1 drop every 1 hour in the affected eye(s) (start while awake until before sleep). If any improvement occurs after 3 days, instill every 2 hours. Subsequently if any improvement occurs after 3 days, instill every 3 hours until the eye(s) look normal.
Use within 4 weeks after opening.