---
kind: "section"
citation: "21 C.F.R. § 522.1920"
title: "21"
number: "522.1920"
heading: "Prochlorperazine and isopropamide."
url: "https://uscodex.org/cfr/21/522.1920"
---

# §522.1920. Prochlorperazine and isopropamide.

- (a) **Specifications.** Each milliliter of solution contains prochlorperazine edisylate equivalent to 4 milligrams (mg) prochlorperazine and isopropamide iodide equivalent to 0.28 mg of isopropamide.
- (b) **Sponsor.** See No. 054771 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Conditions of use—**
  - (1) **Amount.**
    - (i) **Dosage is administered by subcutaneous injection twice daily as follows—**
    - (ii) Following the last injection, administer prochlorperazine and isopropamide sustained release capsules as indicated.
  - (2) **Indications for use.** For use in dogs and cats in which gastrointestinal disturbances are associated with emotional stress.
  - (3) **Limitations.** Federal law restricts this drug to use by or on the order of a licensed veterinarian.

## Notes

### Amendments

[79 FR 16194, Mar. 25, 2014]

### Authority

Authority: 21 U.S.C. 360b.

### Source

Source: 40 FR 13858, Mar. 27, 1975, unless otherwise noted.

### Amendments

[79 FR 16194, Mar. 25, 2014]