21 CFR 520.1720e
§ 520.1720e Phenylbutazone powder.
United States · 21 CFR — Food and Drugs · Status: effective
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- Citation
- 21 CFR 520.1720e, § 520.1720e Phenylbutazone powder, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/87270
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Full text
(a) Specifications.
(1) Each 1.15 grams (g) of powder contains 1 g phenylbutazone.
(2) Each 10 g of powder contains 1 g phenylbutazone.
(b) Sponsors. See sponsor numbers in § 510.600(c) of this chapter.
(1) No. 086119 for use of product described in paragraph (a)(1) of this section.
(2) No. 057699 for use of product described in paragraph (a)(2) of this section.
(c) Conditions of use in horses—(1) Amount. Administer 1 to 2 g (1 to 2 level scoops, using the scoop provided) per 500 pounds of body weight on a small amount of palatable feed, not exceed 4 g per animal daily.
(2) Indications for use. For the relief of inflammatory conditions associated with the musculosketetal system.
(3) Limitations. Do not use in horses intended for human consumption. Federal law prohibits the extralabel use of this product in female cattle 20 months of age or older. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.