{"data":{"id":"us/21-cfr-520.598","jurisdiction":"us","citation":"21 CFR 520.598","heading":"Dichlorvos tablets.","body":"(a) Specifications. Each tablet contains 2, 5, 10, or 20 milligrams (mg) dichlorvos.\n(b) Sponsor. See No. 069043 in § 510.600(c) of this chapter.\n(c) Conditions of use in dogs, puppies, cats, and kittens—(1) Amount. Administer orally at 5 mg dichlorvos per pound of body weight.\n(2) Indications for use—(i) Dogs and puppies: Removal and control of intestinal roundworms (Toxocara canis and Toxascaris leonina) and hookworms (Ancylostoma caninum and Uncinaria stenocephala).\n(ii) Cats and kittens: Removal and control of intestinal roundworms (Toxocara cati and Toxascaris leonina) and hookworms (Ancylostoma tubaeforme and Uncinaria stenocephala).\n(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS","PART 520—ORAL DOSAGE FORM NEW ANIMAL DRUGS"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"9de6e77610ffe00e8de67cb2df619ac49413af7eacfa279d7592443b50fa0091","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-520.596","next":"us/21-cfr-520.600"},"notice":"GroundRules: Original legal text. Not legal advice."}