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U.S. Department of Health and Human Services

CFR - Code of Federal Regulations Title 21

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The information on this page is current as of Oct 01, 2021.

For the most up-to-date version of CFR Title 21, go to the Electronic Code of Federal Regulations (eCFR).

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Help | More About 21CFR
[Code of Federal Regulations]
[Title 21, Volume 6]
[CITE: 21CFR520.1720b]



TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION
DEPARTMENT OF HEALTH AND HUMAN SERVICES
SUBCHAPTER E - ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS

PART 520 -- ORAL DOSAGE FORM NEW ANIMAL DRUGS

Sec. 520.1720b Phenylbutazone granules.

(a) Specifications. Each package of granules contains 1 or 8 grams of phenylbutazone.

(b) Sponsors. See sponsors in § 510.600(c) of this chapter.

(1) No. 000061 for 8-gram package.

(2) No. 059320 for 1-gram package.

(c) Conditions of use in horses - (1) Amount. Administer 1 to 2 grams per 500 pounds of body weight, not to exceed 4 grams, daily as required. by adding to a portion of the usual grain ration.

(2) Indications for use. For the treatment of inflammatory conditions associated with the musculoskeletal system.

(3) Limitations. Do not use in horses intended for human consumption. Federal law prohibits the use of this drug in female dairy cattle 20 months of age or older. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[78 FR 28826, May 20, 2014]

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