Nystatin is an antifungal, effective against many types of yeast. Neomycin and thiostrepton are antibiotics. Triamcinolone is a corticosteroid. The combination is used to treat skin and ear disorders caused by allergies, or bacterial or yeast infections. It is also used for infections of anal glands and interdigital (between the toes) cysts. A veterinary exam of the ear is necessary prior to use of this product in the ear. It should not be used in animals with a perforated eardrum. Not for use in deep infections, puncture wounds, burns, or if pus is present. If ingested, or given at high doses or for prolonged periods of time, side effects related to the triamcinolone may be seen. The most common effect is an increase in the amount of drinking and urinating. Less commonly you may see an increased appetite and weight gain, panting, diarrhea, vomiting, and behavior changes. Avoid contact with the eyes. Adverse reactions and toxicities are unlikely if used according to directions.