subchapter_subject: "ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS"
part_code: "520"
part_subject: "ORAL DOSAGE FORM NEW ANIMAL DRUGS"
subpart_code: "B"
subpart_subject: "Specific Administrative Rulings and Decisions"
section_number: "520.1196"
section_subject: "Ivermectin and pyrantel tablets."
cfr_reference: "21 CFR 520.1196"
title_name: "Title 21"
title_subject: "Food and Drugs"
parts_covered: "Parts 500 to 599"
revised_date: "Revised as of April 1, 2019"
publication_date: "As of April 1, 2019"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
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(a)Specifications. Each chewable tablet contains either 68 micrograms (µg) of ivermectin and 57 milligrams (mg) of pyrantel (as pamoate salt), or 136 µg and 114 mg, or 272 µg and 227 mg, respectively.
(b)Sponsors. See Nos. 050604, 051311, and 063604 in § 510.600(c) of this chapter.
(c)Conditions of use—(1) Dogs—(i) Amount. Administer a minimum of 6 µg of ivermectin and 5 mg of pyrantel per kilogram (2.72 µg and 2.27 mg per pound) of body weight monthly.
(ii)Indications for use. To prevent canine heartworm disease by eliminating the tissue larval stages of Dirofilaria immitis for up to a month (30 days) after infection and treatment and control of adult ascarids Toxocara canis and Toxascaris leonina, and adult hookworms Ancylostoma caninum, A. braziliense, and Uncinaria stenocephala.
(iii)Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.