CFR - Code of Federal Regulations Title 21

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

[Code of Federal Regulations]

[Title 21, Volume 6]

[CITE: 21CFR520.2613]

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. 520.2613 Trimethoprim and sulfadiazine powder.

(a) Specifications. Each gram of powder contains 67 milligrams (mg) trimethoprim and 333 mg sulfadiazine.

(b) Sponsors. See Nos. 054771 and 059051 in § 510.600(c) of this chapter.

(c) Conditions of use in horses - (1) Amount. Administer orally 3.75 grams of powder per 110 pounds (50 kilograms) of body weight in a small amount of feed, as a single daily dose, for 5 to 7 days.

(2) Indications for use. For control of bacterial infections of horses during treatment of acute strangles, respiratory tract infections, acute urogenital infections, wound infections, and abscesses.

(3) Limitations. Do not use in horses intended for human consumption. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[58 FR 36135, July 6, 1993, as amended at 64 FR 68289, Dec. 7, 1999; 79 FR 28834, May 20, 2014; 79 FR 64116, Oct. 28, 2014]