---
kind: "section"
citation: "21 C.F.R. § 520.1468"
title: "21"
number: "520.1468"
heading: "Naproxen."
url: "https://uscodex.org/cfr/21/520.1468"
---

# §520.1468. Naproxen.

- (a) **Specifications.** Each gram of granules contains 500 milligrams (mg) (50 percent) naproxen.
- (b) **Sponsor.** See No. 054771 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Conditions of use in horses—**
  - (1) **Amount.** 10 mg per kilogram of body weight twice daily top dressed on feed for up to 14 consecutive days.
  - (2) **Indications for use.** For the relief of inflammation and associated pain and lameness exhibited with arthritis, as well as myositis and other soft tissue diseases of the musculoskeletal system.
  - (3) **Limitations.** Do not use in horses intended for human consumption. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

## Notes

### Amendments

[78 FR 28825, May 20, 2014]

### Authority

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

### Source

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

### Amendments

[78 FR 28825, May 20, 2014]