21 CFR § 522.23Chapter I

§ 522.23 Acepromazine.

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Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.

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Specifications.(a) Each milliliter of solution contains 10 milligrams (mg) acepromazine maleate.

Sponsors.(b) See Nos. 000010 and 058198 in § 510.600(c) of this chapter.

Conditions of use in dogs, cats, and horsesAmount.(c) —(1) 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.

Indications for use.(2) For use as a tranquilizer and as a preanesthetic agent.

Limitations.(3) 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.

[75 FR 10167, Mar. 5, 2010; 78 FR 17597, Mar. 22, 2013; 79 FR 16182, Mar. 25, 2014; 86 FR 14819, Mar. 19, 2021]

eCFR data current as of: June 10, 2026

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.