21 CFR 520.390a
§ 520.390a Chloramphenicol tablets.
United States · 21 CFR — Food and Drugs · Status: effective
Cite this
- Citation
- 21 CFR 520.390a, § 520.390a Chloramphenicol tablets, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/87101
- Permanent ID
ys:prov:87101@1- SHA-256
d44aea13c51988a2ba37dbb40533d41ff040fd2df6dd62492bd5fec623ee4e4e
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
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.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.