Dechra - Osurnia Otic Ear Gel for Dogs - 1MLOsurnia Otic Gel, indicated for the treatment of otitis externa in dogs associated with susceptible strains of bacteria (Staphylococcus pseudintermedius) and yeast (Malassezia pachydermatis), contains three active ingredients: florfenicol (antibacterial), terbinafine (antifungal), and the glucocorticosteroid, betamethasone acetate (inflammation and pain reliever). Its unique innovative gel formulation, that applies as easily as a liquid but sets like