Guaifenesin solution.
21 C.F.R. § 522.1086
in effectEffective: 2024-07-01(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) 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.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
