---
kind: "section"
citation: "21 C.F.R. § 520.390b"
title: "21"
number: "520.390b"
heading: "Chloramphenicol capsules."
url: "https://uscodex.org/cfr/21/520.390b"
---

# §520.390b. Chloramphenicol capsules.

- (a) **Specifications.** Each capsule contains 50, 100, 250, or 500 milligrams (mg) chloramphenicol.
- (b) **Sponsors.** See Nos. 050057 and 054771 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter for use as in [paragraph (d)](#d) of this section.
- (c) **Special considerations.** Federal law prohibits the extralabel use of this product in food-producing animals.
- (d) **Conditions of use in dogs—**
  - (1) **Amount.** 25 mg per pound of body weight every 6 hours.
  - (2) **Indications for use.** 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.
  - (3) **Limitations.** Federal law restricts this drug to use by or on the order of a licensed veterinarian.

## Notes

### Amendments

[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]

### Authority

Authority: 21 U.S.C. 360b.

### Source

Source: 40 FR 13838, Mar. 27, 1975, unless otherwise noted.

### Amendments

[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]