Dosage and Administration:Follow you Veterinarian's prescription instructions and discuss what medications your horses is currently taking, andany medical conditions with your veterinarian.For Horses Only: Administer orally using the 0.6 ounce 18 mL scoop provided on a small amount of palatable feed and mix well. Give 1 to 2 level scoops per 500 pounds of body weight, but do not exceed 4 scoops per animal daily. Use the high dose for the first 48 hours, then gradually reduce to a maintenance dose. Each 10 grams of powder contains 1 gram of phenylbutazone Cautions:Use with caution in patients who have history of drug allergy. Do not use in horses intended for human consumption. Concomitant use with other anti-inflammatory drugs, such as NSAIDs or corticosteroids, should be avoided or closely monitored. Side Effects:Discuss possible side effects with your VeterinarianThe most-common side-effects include ulceration of the mouth and GI tract. Less-common side-effects include renal damage, bleeding disorders and protein loss. Phenylbutazone Powder, Equizone 100 2.2 lb. Jar. I do not receive this product or any others in exchange for this article, I do get a commission for readers clicking the buy now links which helps to differ the cost of hosting this blog and I sincerely hope this article site helps you with your search for Vet Approved Rx products.