21 CFR 522.390

§ 522.390 Chloramphenicol.

United States · 21 CFR — Food and Drugs · Status: effective

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Citation: 21 CFR 522.390, § 522.390 Chloramphenicol, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/87408
Permanent ID: ys:prov:87408@1
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Full text

(a) Specifications. Each milliliter of solution contains 100 milligrams of chloramphenicol. (b) Sponsor. See Nos. 054771 and 069043 in § 510.600(c) of this chapter. (c) Conditions of use. Dogs—(1) Amount. 5 to 15 milligrams per pound of body weight, intramuscularly or intravenously, every 6 hours. In severe infections, use 4 to 6 hour treatment intervals the first day. If no response is obtained in 3 to 5 days, discontinue use and reevaluate diagnosis. (2) Indications for use. Treatment of infections of the respiratory tract, the urinary tract, and enteritis and tonsillitis caused by organisms susceptible to chloramphenicol. (3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian. Federal law prohibits the extralabel use of this drug in food-producing animals.

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.