---
kind: "section"
citation: "21 C.F.R. § 524.390"
title: "21"
number: "524.390"
heading: "Chloramphenicol ophthalmic ointment."
url: "https://uscodex.org/cfr/21/524.390"
---

# §524.390. Chloramphenicol ophthalmic ointment.

- (a) **Specifications.** Each gram contains 10 milligrams chloramphenicol.
- (b) **Sponsors.** See Nos. 043264 and 054771 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Conditions of use in dogs and cats—**
  - (1) **Amount.** Apply every 3 hours around the clock for 48 hours, after which night instillations may be omitted.
  - (2) **Indications for use.** For treatment of bacterial conjunctivitis caused by pathogens 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 use of this drug in food-producing animals.

## Notes

### Amendments

[77 FR 4897, Feb. 1, 2012, as amended at 77 FR 64717, Oct. 23, 2012; 79 FR 10967, Feb. 27, 2014]

### Authority

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

### Source

Source: 40 FR 13873, Mar. 27, 1975, unless otherwise noted.

### Amendments

[77 FR 4897, Feb. 1, 2012, as amended at 77 FR 64717, Oct. 23, 2012; 79 FR 10967, Feb. 27, 2014]