StacksVerified U.S. regulatory reference

21 CFR §520.1921

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Specifications. Each capsule contains either:
    1. (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. (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).
  2. (b)Sponsor. See No. 054771 in § 510.600(c) of this chapter.
  3. (c)Conditions of use in dogs—(1) Amount. Administer capsules orally twice daily to dogs as follows:
    1. (2)Indications for use. For the treatment infectious bacterial gastroenteritis associated with emotional stress.
    2. (3)Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.