21 CFR 520.1447
§ 520.1447 Milbemycin oxime, lufenuron, and praziquantel tablets.
United States · 21 CFR — Food and Drugs · Status: effective
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- Citation
- 21 CFR 520.1447, § 520.1447 Milbemycin oxime, lufenuron, and praziquantel tablets, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/87234
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Full text
(a) Specifications. Each tablet contains:
(1) 2.3 milligrams (mg) milbemycin oxime, 46 mg lufenuron, and 22.8 mg praziquantel;
(2) 5.75 mg milbemycin oxime, 115 mg lufenuron, and 57 mg praziquantel;
(3) 11.5 mg milbemycin oxime, 230 mg lufenuron, and 114 mg praziquantel; or
(4) 23 mg milbemycin oxime, 460 mg lufenuron, and 228 mg praziquantel.
(b) Sponsor. See No. 000061 in § 510.600(c) of this chapter.
(c) [Reserved]
(d) Conditions of use—(1) Dogs—(i) Amount. 0.5 mg milbemycin oxime, 10 mg lufenuron, and 5 mg of praziquantel per kilogram of body weight, once a month.
(ii) Indications for use. For the prevention of heartworm disease caused by Dirofilaria immitis; for the prevention and control of flea populations (Ctenocephalides felis); and for the treatment and control of adult roundworm (Toxocara canis, Toxascaris leonina), adult hookworm (Ancylostoma caninum), adult whipworm (Trichuris vulpis), and adult tapeworm (Dipylidium caninum, Taenia pisiformis, Echinococcus multilocularis, and E. granulosus) infections in dogs and puppies 2 pounds of body weight or greater and 6 weeks of age and older.
(iii) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
(2) [Reserved]
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.