Title 21

SECTION 520.43

520.43 Afoxolaner.

§ 520.43 Afoxolaner.

(a) Specifications. Each chewable tablet contains 11.3, 28.3, 68, or 136 milligrams (mg) afoxolaner.

(b) Sponsor. See No. 000010 in § 510.600(c) of this chapter.

(c) Conditions of use - (1) Amount. Administer orally once a month at a minimum dosage of 1.14 mg/pound (lb) (2.5 mg/kilogram (kg)).

(2) Indications for use. Kills adult fleas; for the treatment and prevention of flea infestations (Ctenocephalides felis); for the treatment and control of black-legged tick (Ixodes scapularis), American dog tick (Dermacentor variabilis), lone star tick (Amblyomma americanum), and brown dog tick (Rhipicephalus sanguineus) infestations in dogs and puppies 8 weeks of age and older, weighing 4 pounds of body weight or greater, for 1 month; and for the prevention of Borrelia burgdorferi infections as a direct result of killing Ixodes scapularis vector ticks.

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

[78 FR 66264, Nov. 5, 2013, as amended at 79 FR 37619, July 2, 2014; 84 FR 8972, Mar. 13, 2019; 84 FR 39182, Aug. 9, 2019]

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