This ruled out ofloxacin as the agent causing the skin ... done separately with other drugs of the same group (such as metronidazole, tinidazole, and secnidazole) was negative.

Ofloxacin 0.3%. <6mos: not established. Otitis externa: 6mos–13yrs: 5 drops in affected ear(s) once daily. ≥13yrs: 10 drops in affected ear(s) once daily. Both: treat for 7 days. Acute otitis ...