Section 522.728 - Dipyrone(a)Specifications. Each milliliter of solution contains 500 milligrams (mg) dipyrone.(b)Sponsor. See No. 043264 in § 510.600(c) of this chapter.(c)Conditions of use in horses - (1)Amount. Administer 30 mg per kilogram of body weight (13.6 mg per pound) by intravenous injection, once or twice daily at a 12-hour interval for up to 3 days.(2)Indications for use. For control of pyrexia in horses.(3)Limitations. Do not use in horses intended for human consumption. Do not use in any food-producing animals, including lactating dairy animals. Federal law restricts this drug to use by or on the order of a licensed veterinarian. 85 FR 18119 , Apr. 1, 2020, as amended at 88 FR 14898 , Mar. 10, 2023 85 FR 18119, 4/1/2020; as amended at 88 FR 14898, 3/10/2023