View all text of Part 520 [§ 520.23 - § 520.2654]
§ 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 (2.5 mg/kilogram).
(2) Indications for use. Kills adult fleas and for the treatment and prevention of flea infestations (Ctenocephalides felis); and the treatment and control of Ixodes scapularis (black-legged tick), Dermacentor variabilis (American dog tick), Amblyomma americanum (lone star tick), Rhipicephalus sanguineus (brown dog tick), and Haemaphysalis longicornis (longhorned tick) 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.