{"data":{"id":"us/21-cfr-522.1085","jurisdiction":"us","citation":"21 CFR 522.1085","heading":"Guaifenesin powder for injection.","body":"(a) Specifications. The product is a sterile powder containing guaifenesin. A solution is prepared by dissolving the drug in sterile water for injection to make a solution containing 50 milligrams of guaifenesin per milliliter of solution.\n(b) Sponsors. See Nos. 037990 and 054771 in § 510.600(c) of this chapter.\n(c) Conditions of use in horses—(1) Amount. Administer 1 milliliter of prepared solution per pound of body weight by rapid intravenous infusion.\n(2) Indications for use. For use as a muscle relaxant.\n(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.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS","PART 522—IMPLANTATION OR INJECTABLE DOSAGE FORM NEW ANIMAL DRUGS"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"db548e24c80e63751c7b579c0121bdb9897946e1dcd66c7c0767b5de6fd7e28f","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-522.1083","next":"us/21-cfr-522.1086"},"notice":"GroundRules: Original legal text. Not legal advice."}