21 CFR § 520.390bChapter I

§ 520.390b Chloramphenicol capsules.

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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 capsule contains 50, 100, 250, or 500 milligrams (mg) chloramphenicol.

Sponsors.(b) See Nos. 050057 and 054771 in § 510.600(c) of this chapter for use as in paragraph (d) of this section.

Special considerations.(c) Federal law prohibits the extralabel use of this product in food-producing animals.

Conditions of use in dogsAmount.(d) —(1) 25 mg per pound of body weight every 6 hours.

Indications for use.(2) For treatment of bacterial pulmonary infections, bacterial infections of the urinary tract, bacterial enteritis, and bacterial infections associated with canine distemper caused by susceptible organisms.

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

[70 FR 75398, Dec. 20, 2005, as amended at 73 FR 18442, Apr. 4, 2008; 75 FR 55676, Sept. 14, 2010; 79 FR 28819, May 20, 2014]

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.