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: "520.763a"
section_subject: "Dithiazanine tablets."
cfr_reference: "21 CFR 520.763a"
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 tablet contains 10, 50, 100, or 200 milligrams (mg) dithiazanine iodide.
(b)Sponsor. See No. 069043 in § 510.600(c) of this chapter.
(c)Conditions of use in dogs—(1) Indications for use and amount. Administer orally immediately after feeding as follows:
(i)For large roundworms (Toxocara canis, Toxascaris leonina): 10 mg per pound (/lb) of body weight for 3 to 5 days;
(ii)For hookworms (Ancylostoma caninum, Uncinaria stenocephala) and whipworms (Trichuris vulpis): 10 mg/lb of body weight for 7 days;
(iii)For Strongyloides (Strongyloides canis, Strongyloides stercoralis): 10 mg/lb of body weight for 10 to 12 days;
(iv)For heartworm microfilariae (Dirofilaria immitus): 3 to 5 mg/lb of body weight for 7 to 10 days. Treatment for heartworm microfilariae should follow 6 weeks after therapy for adult worms.
(2)Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.