A synthetic, non-hormonal, anti-inflammatory agent that is indicated for the relief of inflammatory conditions associated with the musculoskeletal system in horses. This highly palatable citrus-flavored powder is easily top-dressed on the horse’s ration, and is dosed at 0.6-1.2 oz. per 500 lbs. of body weight. Each 10 grams of powder contains 1 gram of phenylbutazone.