---
kind: "section"
citation: "21 C.F.R. § 520.1157"
title: "21"
number: "520.1157"
heading: "Iodinated casein."
url: "https://uscodex.org/cfr/21/520.1157"
---

# §520.1157. Iodinated casein.

- (a) **Specifications.** Each 1-gram tablet contains 25 milligrams of iodinated casein.
- (b) **Sponsor.** See No. 017762 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Conditions of use—**
  - (1) **Amount.** 1/5 to 1 tablet per 10 pounds of body weight (equivalent to 0.5 to 2.5 milligrams of iodinated casein per pound of body weight).
  - (2) **Indications for use.** For dogs for apparent decreased thyroid activity where the signs are alopecia, scaliness of the skin surface, loss of hair, seborrhea, thickening of the skin, hyperpigmentation, and lethargy.
  - (3) **Limitations.** Federal law restricts this drug to use by or on the order of a licensed veterinarian.

## Notes

### Amendments

[49 FR 22469, May 30, 1984, as amended at 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

[49 FR 22469, May 30, 1984, as amended at 78 FR 28822, May 20, 2014]