Efficacy of an acetic acid/boric acid ear cleaning solution for treatment and prophylaxis of Malassezia sp. otitis externa

Abstract

A pilot study with 2% acetic acid and 2% boric acid ear cleaning solution was performed to assess its efficacy for treatment and prophylaxis of canine Malassezia sp. otitis externa. Eighteen dogs were included in the treatment group and eight dogs with a history of recurrent Malassezia sp. otitis, were included in the prophylaxis group (to assess if the ear cleaning solution would prevent recurrence of Malassezia sp. otitis externa). Otitis externa resolved in 88% (16 of 18 cases). Relapses were seen in 75% (six out of eight cases) using the ear cleaner as prophylaxis. The 2% acetic acid and 2% boric acid ear cleaning solution was an effective therapy for Malassezia sp. otitis but was not un..