) Baytril Otic is indicated as a treatment for canine otitis externa (ear infection) complicated by certain bacterial and fungal organisms. Baytril Otic is an emulsion containing 5 mg enrofloxacin and 10 mg silver sulfadiazine per ml. Baytril Otic Drops are administered into the outer ear. As a general guide, dogs weighing 35 lbs. or less are given 5-10 drops per treatment; dogs over 35 lbs. are given 10-15 drops per treatment. Following treatment, gently massage the ear to ensure distribution. May be applied twice daily for up to 14 days, or as indicated. Enrofloxacin and silver sulfadiazine.