Implantation or Injectable Dosage Form New Animal Drugs; Phenylbutazone Injection

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The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval of an abbreviated new animal drug application (ANADA) filed by Sparhawk Laboratories, Inc. The ANADA provides for the veterinary prescription use of phenylbutazone injectable solution in horses for relief of inflammatory conditions associated with the musculoskeletal system.