---
kind: "section"
citation: "21 C.F.R. § 522.995"
title: "21"
number: "522.995"
heading: "Fluprostenol."
url: "https://uscodex.org/cfr/21/522.995"
---

# §522.995. Fluprostenol.

- (a) **Specifications.** Each milliliter of solution contains fluprostenol sodium equivalent to 50 micrograms (µg) of fluprostenol.
- (b) **Sponsor.** See No. 058198 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Conditions of use in horses—**
  - (1) **Amount.** Administer 0.55 µg fluprostenol per kilogram of body weight by intramuscular injection.
  - (2) **Indications for use.** For use in mares for its luteolytic effect to control the timing of estrus in estrous cycling and in clinically anestrous mares that have a corpus luteum.
  - (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

[79 FR 16189, Mar. 25, 2014, as amended at 86 FR 14820, Mar. 19, 2021]

### Authority

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

### Source

Source: 40 FR 13858, Mar. 27, 1975, unless otherwise noted.

### Amendments

[79 FR 16189, Mar. 25, 2014, as amended at 86 FR 14820, Mar. 19, 2021]