GroundRules
21 CFR 520.1921: Prochlorperazine, isopropamide, and neomycin.
Where this section sits in the code
- 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
(a) Specifications. Each capsule contains either:
(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
(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).
(b) Sponsor. See No. 054771 in § 510.600(c) of this chapter.
(c) Conditions of use in dogs—(1) Amount. Administer capsules orally twice daily to dogs as follows:
Animal weight (pounds) Number of capsules per dose
Capsule No. 1 Capsule No. 3
10 to 20 1
20 to 30 2
Over 30 3 1
Over 60 2
(2) Indications for use. For the treatment infectious bacterial gastroenteritis associated with emotional stress.
(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
Collected 2026-08-27T02:24:47Z. Source file · JSON