Oridermyl is a permethrin, nystatin, triamcinolone acetonide and neomycin sulphate ear ointment for cats, indicated for the treatment of otitis externa caused by Otodectes cynotis and its associated secondary bacterial (Staphylococcus spp) and/or yeast infections in cats and kittens over 8 weeks of age and 1 kg of bodyweight.