StacksVerified U.S. regulatory reference

21 CFR §524.998

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
(a) Specifications. Each milliliter of solution contains 280 milligrams (mg) fluralaner.
(b) Sponsor. See No. 000061 in § 510.600(c) of this chapter.
(c) Conditions of use—(1) Dogs—(i) Amount. Administer topically as a single dose every 12 weeks according to the label dosage schedule to provide a minimum dose of 11.4 mg/lb (25 mg/kg) body weight. May be administered every 8 weeks in case of potential exposure to Amblyomma americanum ticks. (ii) Indications for use. Kills adult fleas; for the treatment and prevention of flea infestations (Ctenocephalides felis) and the treatment and control of tick infestations (Ixodes scapularis (black-legged tick), Dermacentor variabilis (American dog tick), and Rhipicephalus sanguineus (brown dog tick)) for 12 weeks in dogs and puppies 6 months of age and older, and weighing 4.4 lb or greater; for the treatment and control of A. americanum (lone star tick) infestations for 8 weeks in dogs and puppies 6 months of age and older, and weighing 4.4 lb or greater. (iii) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian. (2) Cats—(i) Amount. Administer topically as a single dose every 12 weeks according to the label dosage schedule to provide a minimum dose of 18.2 mg/lb (40 mg/kg) body weight. May be administered every 8 weeks in case of potential exposure to D. variabilis ticks. (ii) Indications for use. Kills adult fleas; for the treatment and prevention of flea infestations (C. felis) and the treatment and control of I. scapularis (black-legged tick) and Haemaphysalis longicornis (Asian longhorned tick) infestations for 12 weeks in cats and kittens 6 months of age and older, and weighing 2.6 lb or greater; for the treatment and control of D. variabilis (American dog tick) infestations for 8 weeks in cats and kittens 6 months of age and older, and weighing 2.6 lb or greater. (iii) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.