21 CFR § 522.1223Chapter I

§ 522.1223 Ketamine, promazine, and aminopentamide.

Primary source

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.

Full Text

(a) Specifications. Each milliliter of solution contains ketamine hydrochloride equivalent to 100 milligrams (mg) ketamine base activity, 7.5 (mg) of promazine hydrochloride, and 0.0625 mg of aminopentamide hydrogen sulfate.

(b) Sponsor. See No. 054771 in § 510.600(c) of this chapter.

(c) Conditions of use in cats—(1) Amount. Administer by intramuscular injection 15 to 20 mg ketamine base per pound of body weight, depending on the effect desired.

(2) Indications for use. It is used in cats as the sole anesthetic agent for ovariohysterectomy and general surgery.

(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[79 FR 16191, Mar. 25, 2014]

eCFR data current as of: June 12, 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.