{"data":{"id":"us/21-cfr-520.1921","jurisdiction":"us","citation":"21 CFR 520.1921","heading":"Prochlorperazine, isopropamide, and neomycin.","body":"(a) Specifications. Each capsule contains either:\n(1) Capsule No. 1: 3.33 milligrams of prochlorperazine (as the dimaleate), 1.67 milligrams of isopropamide (as the iodide), and 25 milligrams of neomycin base (as the sulfate); or\n(2) Capsule No. 3: 10 milligrams of prochlorperazine (as the dimaleate), 5 milligrams of isopropamide (as the iodide), and 75 milligrams of neomycin base (as the sulfate).\n(b) Sponsor. See No. 054771 in § 510.600(c) of this chapter.\n(c) Conditions of use in dogs—(1) Amount. Administer capsules orally twice daily to dogs as follows:\nAnimal weight (pounds) Number of capsules per dose\nCapsule No. 1 Capsule No. 3\n10 to 20 1\n20 to 30 2\nOver 30 3 1\nOver 60 2\n(2) Indications for use. For the treatment infectious bacterial gastroenteritis associated with emotional stress.\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":"cdc2927d5a6a1e2502f265dc319d90764430b13b9cf36ebd3b55b392719eaff5","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-520.1920","next":"us/21-cfr-520.1962"},"notice":"GroundRules: Original legal text. Not legal advice."}