Animax is a prescription topical ointment used to treat a host of ear and skin disorders in dogs and cats. The medication is proven to be effective against a wide range of bacteria, yeast, and fungi. It's a complex compound containing neomycin, thiostrepton, triamcinolone, and nystatin. Of these, nystatin is an antifungal, triamcinolone is a corticosteroid, and the remaining two are antibiotics. So, yes, Animax ointment is an antibiotic for dogs and cats,