Lotilaner, moxidectin, praziquantel, and pyrantel.

(a) Specifications. Each chewable tablet contains: (1) 56.25 milligrams (mg) lotilaner, 0.056 mg moxidectin, 14.25 mg praziquantel, and 14.25 mg pyrantel (as pamoate salt); (2) 112.5 mg lotilaner, 0.113 mg moxidectin, 28.5 mg praziquantel, and 28.5 mg pyrantel (as pamoate salt); (3) 225 mg lotilaner, 0.225 mg moxidectin, 57 mg praziquantel, and 57 mg pyrantel (as pamoate salt); (4) 450 mg lotilaner, 0.45 mg moxidectin, 114 mg praziquantel, and 114 mg pyrantel (as pamoate salt); or (5) 900 mg lotilaner, 0.9 mg moxidectin, 228 mg praziquantel, and 228 mg pyrantel (as pamoate salt). (b) Sponsor. See No. 058198 in § 510.600(c) of this chapter. (c) Conditions of use —(1) Amount. Administer orally at the minimum dosage of 9 mg/pound (mg/lb) (20 mg/kilogram (mg/kg)) lotilaner, 0.009 mg/lb (0.02 mg/kg) moxidectin, 2.28 mg/lb (5 mg/kg) praziquantel, and 2.28 mg/lb (5 mg/kg) pyrantel (as pamoate salt). (2) Indications for use. For the treatment of infestations caused by New World screwworm ( Cochliomyia hominivorax ) larvae (myiasis) in dogs and puppies 8 weeks of age and older and weighing 3.3 pounds or greater. (3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian. It is a violation of Federal law to use this product other than as directed in the labeling. [91 FR 20340, Apr. 16, 2026]