---
kind: "section"
citation: "21 C.F.R. § 520.1158"
title: "21"
number: "520.1158"
heading: "Iodochlorhydroxyquin."
url: "https://uscodex.org/cfr/21/520.1158"
---

# §520.1158. Iodochlorhydroxyquin.

- (a) **Specifications.** Each bolus contains 10 grams of iodochlorhydroxyquin.
- (b) **Sponsor.** See No. 054771 in [§ 510.600 (c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Conditions of use—**
  - (1) **Amount.** 1 bolus (10 grams) daily for a 1,000-pound horse.
  - (2) **Indications for use.** For treatment of equine diarrhea.
  - (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

[48 FR 8054, Feb. 25, 1983, as amended at 50 FR 41489, Oct. 11, 1985; 78 FR 28822, May 20, 2014]

### Authority

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

### Source

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

### Amendments

[48 FR 8054, Feb. 25, 1983, as amended at 50 FR 41489, Oct. 11, 1985; 78 FR 28822, May 20, 2014]