If the infection is bacterial, you may receive a prescription for a topical or oral antibiotic. Here are a few of the main types of antibiotics doctors commonly prescribe to treat an ear infection: • Amoxil (amoxicillin) • Augmentin (amoxicillin/potassium clavulanate) • Cortisporin (neomycin/polymyxin b/hydrocortisone) solution or suspension • Cortisporin TC (colistin/neomycin/thonzonium/hydrocortisone) suspension • Ciprodex (ciprofloxacin/dexamethasone) suspension • Cipro HC (ciprofloxacin/hydrocortisone) suspension • Ciloxan (ciprofloxacin) solution • Ocuflox (ofloxacin) solution • Floxin (ofloxacin) solution • Acetasol HC (hydrocortisone/acetic acid) solution