---
kind: "section"
citation: "21 C.F.R. § 522.1086"
title: "21"
number: "522.1086"
heading: "Guaifenesin solution."
url: "https://uscodex.org/cfr/21/522.1086"
---

# §522.1086. Guaifenesin solution.

- (a) **Specifications.** Each milliliter of solution contains 50 milligrams (mg) of guaifenesin and 50 mg of dextrose.
- (b) **Sponsors.** See Nos. 037990 and 058198 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Conditions of use in horses—**
  - (1) **Amount.** Administer 1 milliliter per pound of body weight by rapid intravenous infusion.
  - (2) **Indications for use.** For use as a skeletal muscle relaxant.
  - (3) **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.

## Notes

### Amendments

[79 FR 16189, Mar. 25, 2014, as amended at 86 FR 14820, Mar. 19, 2021]

### Authority

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

### Source

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

### Amendments

[79 FR 16189, Mar. 25, 2014, as amended at 86 FR 14820, Mar. 19, 2021]