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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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[Code of Federal Regulations]
[Title 21, Volume 6]
[CITE: 21CFR520.2473a]



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. 520.2473a Tioxidazole granules.

(a) Specifications. Each gram of granules contains 200 milligrams of tioxidazole.

(b) Sponsor. See No. 000061 in § 510.600(c) of this chapter.

(c) Conditions of use - (1) Horses - (i) Amount. 5 milligrams per pound of body weight as a single dose.

(ii) Indications for use. Removal of mature large strongyles (Strongylus edentatus, S. equinus, and S. vulgaris ), mature ascarids (Parascaris equorum ), mature and immature (4th larval stage) pinworms (Oxyuris equi ), and mature small strongyles (Triodontophorus spp.).

(iii) Limitations. For administration with feed: Sprinkle required amount of granules on a small amount of the usual grain ration and mix. Prepare for each horse individually. Withholding of feed or water not necessary. Not for use in horses intended for food. The reproductive safety of tioxidazole in breeding animals has not been determined. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism. It is recommended that this drug be administered with caution to sick or debilitated horses.

(2) [Reserved]

[50 FR 52772, Dec. 26, 1985; 51 FR 2693, Jan. 21, 1986, as amended at 52 FR 7832, Mar. 13, 1987]

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