---
kind: "section"
citation: "21 C.F.R. § 522.1962"
title: "21"
number: "522.1962"
heading: "Promazine."
url: "https://uscodex.org/cfr/21/522.1962"
---

# §522.1962. Promazine.

- (a) **Specifications.** Each milliliter of solution contains 50 milligrams (mg) promazine hydrochloride.
- (b) **Sponsors.** See sponsors in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter for use as in [paragraph (c)](#c) of this section:
  - (1) **No.** 054771 for use as in paragraphs [(c)(1)(i)(A)](#c-1-i-A), [(c)(1)(ii)(A)](#c-1-ii-A), (c)(1)(iii), and (c)(2) of this section.
  - (2) **No.** 061133 for use as in paragraphs [(c)(1)(i)(B)](#c-1-i-B), [(c)(1)(ii)(B)](#c-1-ii-B), and (c)(1)(iii) of this section.
- (c) **Conditions of use—**
  - (1) **Horses—**
    - (i) **Amount.**
      - (A) 0.2 to 0.5 milligrams per pounds (mg/lb) body weight intramuscularly or intravenously every 4 to 6 hours.
      - (B) 0.2 to 0.5 mg/lb body weight intravenously as required.
    - (ii) **Indications for use.**
      - (A) For use as a tranquilizer, preanesthetic, or for minor operative procedures in conjunction with local anesthesia; and as adjunctive therapy for tetanus.
      - (B) **For use as a tranquilizer and preanesthetic.**
    - (iii) **Limitations.** Do not use in horses intended for human consumption. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
  - (2) **Dogs and cats—**
    - (i) **Amount.** 1 to 2 mg/lb body weight intramuscularly or intravenously every 4 to 6 hours.
    - (ii) **Indications for use.** For use as a tranquilizer, preanesthetic, for minor operative procedures in conjunction with local anesthesia, as adjunctive therapy for tetanus, and as an antiemetic prior to worming; or to prevent motion sickness in dogs.
    - (iii) **Limitations.** Federal law restricts this drug to use by or on the order of a licensed veterinarian.

## Notes

### Amendments

[46 FR 18962, Mar. 27, 1981, as amended at 68 FR 59881, Oct. 20, 2003; 70 FR 50183, Aug. 26, 2005; 79 FR 16194, Mar. 25, 2014; 84 FR 8974, Mar. 13, 2019]

### Authority

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

### Source

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

### Amendments

[46 FR 18962, Mar. 27, 1981, as amended at 68 FR 59881, Oct. 20, 2003; 70 FR 50183, Aug. 26, 2005; 79 FR 16194, Mar. 25, 2014; 84 FR 8974, Mar. 13, 2019]