§ 520.260 -Butyl chloride.

Specifications.n(a) Each capsule contains 221, 442, 884, or 1,768 milligrams (mg); or 4.42 grams of -butyl chloride.

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

(1) No. 023851 for capsules containing 221, 442, 884, or 1,768 mg, or 4.42 grams (g); and

(2) No. 054771 for capsules containing 221 mg.

Conditions of use in dogsAmount.(c) —(1) Administer capsules orally based on body weight as follows:

1/4(i) Capsules containing 221 mg: Under 5 pounds, 1 capsule per 1 pounds of body weight.

1/2(ii) Capsules containing 442 mg: Under 5 pounds, 1 capsule per 2 pounds of body weight.

(iii) Capsules containing 884 mg:

(A) Under 5 pounds, 1 capsule;

(B) 5 to 10 pounds, 2 capsules;

(C) 10 to 20 pounds, 3 capsules;

(D) 20 to 40 pounds, 4 capsules;

(E) Over 40 pounds, 5 capsules.

(iv) Capsules containing 1,768 mg: Dogs weighing 5 to 10 pounds, 1 capsule.

(v) Capsules containing 4.42 g: Dogs weighing 40 pounds or over, 1 capsule.

Indications for use.Toxocara canisToxascaris leoninaAncylostoma caninum, Ancylostoma braziliense,Uncinaria stenocephala(2) For the removal of ascarids ( and ) and hookworms ( and ) from dogs.

Limitations.1/2(3) Dogs should not be fed for 18 to 24 hours before being given the drug. Administration of the drug should be followed in to 1 hour with a mild cathartic. Normal feeding may be resumed 4 to 8 hours after treatment. Animals subject to reinfection may be retreated in 2 weeks. A veterinarian should be consulted before using in severely debilitated dogs.

[86 FR 10819, Feb. 23, 2021]