Phase III Study of an Otic Formulation in Acute Otitis Media With Tympanostomy Tubes

Inclusion Criteria: * 6 months to 12 years old * Ear tubes in one or both ears * Ear drainage visible by the parent / guardian * Ear drainage less than 21 days * Ear tube may not be silver oxide, silver salt, t-type tube or long-shafted tube * Patient may not have non-tube otorrhea * Patient may not have had otic surgery other than tube placement in the last year * Patient may not be a menarchal female * Diabetic patients are not eligible * Patient may not have any disease or condition that would negatively affect the conduct of the study * Patient may not require any other systemic antimicrobial therapy during the study. * Patient must meet certain medication washouts to be eligible * Analgesic use (other than acetaminophen) is not allowed * Patient may not be pre-disposed to neurosensory hearing loss * Other protocol-defined inclusion criteria may apply Exclusion Criteria: * Age * Other protocol-defined exclusion criteria may apply