21 CFR § 520.390aChapter I

§ 520.390a Chloramphenicol tablets.

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 tablet contains 50, 100, 250, or 500 milligrams (mg); 1 or 2.5 grams (g) of chloramphenicol.

(b) Sponsors. See § 510.600(c) of this chapter:

(1) For use as in paragraphs (c)(1), (c)(2)(i), and (c)(3) of this section:

(i) No. 069043 for 100-, 250-, and 500-mg; and 1- and 2.5-g tablets;

(ii) No. 054771 for 100-, 250-, and 500-mg tablets;

(2) For use as in paragraphs (c)(1), (c)(2)(ii), and (c)(3) of this section:

(i) No. 061133 for 50-, 100-, 250-, and 500-mg; and 1-g tablets;

(ii) [Reserved]

(c) Conditions of use in dogs—(1) Amount. Administer 25 mg per pound of body weight by mouth every 6 hours.

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

(ii) For the treatment of bacterial gastroenteritis associated with bacterial diarrhea, bacterial pulmonary infections, and bacterial infections of the urinary tract caused by susceptible organisms.

(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.

[77 FR 4896, Feb. 1, 2012, as amended at 78 FR 21059, Apr. 9, 2013; 79 FR 28819, May 20, 2014; 83 FR 48944, Sept. 28, 2018; 84 FR 8972, Mar. 13, 2019]

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.