21 CFR 522.1465
§ 522.1465 Naltrexone.
United States · 21 CFR — Food and Drugs · Status: effective
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- Citation
- 21 CFR 522.1465, § 522.1465 Naltrexone, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/87490
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Full text
(a) Specifications. Each milliliter of solution contains 50 milligrams of naltrexone hydrochloride.
(b) Sponsor. See 053923 in § 510.600(c) of this chapter.
(c) Conditions of use in elk and moose—(1) Amount. 100 milligrams of naltrexone hydrochloride for each milligram of carfentanil citrate administered. One-quarter of the dose should be administered intravenously and three-quarters of the dose should be administered subcutaneously.
(2) Indications for use. As an antagonist to carfentanil citrate immobilization in free-ranging or confined elk and moose (Cervidae).
(3) Limitations. Do not use in domestic food-producing animals. Do not use in free-ranging animals for 45 days before or during hunting season. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.