The objective of this study is to compare the relative efficacy and safety of the test formulation of ciprofloxacin 0.3%/dexamethasone 0.1% sterile otic suspension (Par Pharmaceutical Companies, Inc.) to the already-marketed formulation CIPRODEX® (ciprofloxacin 0.3%/dexamethasone 0.1%) sterile otic suspension (Alcon) in the treatment of acute bacterial otitis externa.