StacksVerified U.S. regulatory reference

21 CFR §522.23

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Specifications. Each milliliter of solution contains 10 milligrams (mg) acepromazine maleate.
  2. (b)Sponsors. See Nos. 000010 and 058198 in § 510.600(c) of this chapter.
  3. (c)Conditions of use in dogs, cats, and horses—(1) Amount. Dogs: 0.25 to 0.5 mg per pound (/lb) of body weight; Cats: 0.5 to 1.0 mg/lb of body weight; Horses: 2.0 to 4.0 mg per 100 lbs of body weight.
    1. (2)Indications for use. For use as a tranquilizer and as a preanesthetic agent.
    2. (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.