CFR - Code of Federal Regulations Title 21

The information on this page is current as of Mar 28, 2023.

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: 21CFR522.234]

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 522 -- IMPLANTATION OR INJECTABLE DOSAGE FORM NEW ANIMAL DRUGS

Sec. 522.234 Butamisole.

(a) Specifications. Each milliliter of solution contains 11 milligrams (mg) butamisole hydrochloride.

(b) Sponsors. See Nos. 054771 and 058198 in § 510.600(c) of this chapter.

(c) Conditions of use in dogs - (1) Amount. Administer 0.1 mg per pound of body weight by subcutaneous injection. In problem cases, retreatment for whipworms may be necessary in approximately 3 months. For hookworms, a second injection should be given 21 days after the initial treatment.

(2) Indications for use. For the treatment of infections with whipworms (Trichuris vulpis ), and the hookworm (Ancylostoma caninum ).

(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[79 FR 16184, Mar. 25, 2014, as amended at 86 FR 14819, Mar. 19, 2021]