CFR > 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 (parts 500 to 590) > PART 522—IMPLANTATION OR INJECTABLE DOSAGE FORM NEW ANIMAL DRUGS > 522.234—Butamisole hydrochloride.

522.234—Butamisole hydrochloride.

(a) Specifications. The drug contains 11 milligrams of butamisole per milliliter in a solution consisting of 70 percent propylene glycol, 4 percent benzyl alcohol and distilled water.
(b) Sponsor. See Nos. 000859 and 053501 in § 510.600(c) of this chapter.
(c) Conditions of use. (1) The drug is administered by subcutaneous injection to dogs for the treatment of infections with whipworms (Trichuris vulpis ), and the hookworm (Ancylostoma caninum ).
(2) The drug is administered subcutaneously at the rate of 0.1 milliliter per pound of body weight. 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.
(3) Federal law restricts this drug to use by or on the order of a licensed veterinarian.

Code of Federal Regulations

[43 FR 15625, Apr. 14, 1978. Redesignated at 43 FR 60883, Dec. 29, 1978, and amended at 45 FR 29789, May 6, 1980; 51 FR 19329, May 29, 1986; 67 FR 63055, Oct. 10, 2002]