---
kind: "section"
citation: "21 C.F.R. § 522.1870"
title: "21"
number: "522.1870"
heading: "Praziquantel."
url: "https://uscodex.org/cfr/21/522.1870"
---

# §522.1870. Praziquantel.

- (a) **Specifications.** Each milliliter (mL) of solution contains 56.8 milligrams of praziquantel.
- (b) **Sponsors.** See Nos. 058198 and 061133 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Conditions of use—**
  - (1) **Dogs—**
    - (i) **Amount.** Administer by subcutaneous or intramuscular injection for dogs and puppies 5 pounds (lb) and under, 0.3 mL; for 6 to 10 lb, 0.5 mL; for 11 to 25 lb, 1.0 mL; if over 25 lb, 0.2 mL/5 lb body weight to a maximum of 3 mL.
    - (ii) **Indications for use.** For removal of canine cestodes Dipylidium caninum, Taenia pisiformis, and Echinococcus granulosus, and removal and control of canine cestode Echinococcus multilocularis.
    - (iii) **Limitations.** Federal law restricts the drug to use by or on the order of a licensed veterinarian.
  - (2) **Cats—**
    - (i) **Amount.** Administer by subcutaneous or intramuscular injection for cats and kittens under 5 lb, 0.2 mL; 5 to 10 lb, 0.4 mL; 11 lb and over, 0.6 mL maximum.
    - (ii) **Indications for use.** For removal of feline cestodes Dipylidium caninum and Taenia taeniaeformis.
    - (iii) **Limitations.** Federal law restricts the drug to use by or on the order of a licensed veterinarian.

## Notes

### Amendments

[46 FR 10464, Feb. 3, 1981, as amended at 47 FR 6617, Feb. 16, 1982; 58 FR 42853, Aug. 12, 1993; 67 FR 79853, Dec. 31, 2002; 78 FR 17868, Mar. 25, 2013; 81 FR 67151, Sept. 30, 2016; 84 FR 8974, Mar. 13, 2019; 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

[46 FR 10464, Feb. 3, 1981, as amended at 47 FR 6617, Feb. 16, 1982; 58 FR 42853, Aug. 12, 1993; 67 FR 79853, Dec. 31, 2002; 78 FR 17868, Mar. 25, 2013; 81 FR 67151, Sept. 30, 2016; 84 FR 8974, Mar. 13, 2019; 86 FR 14820, Mar. 19, 2021]