---
kind: "section"
citation: "21 C.F.R. § 520.600"
title: "21"
number: "520.600"
heading: "Dichlorvos capsules and pellets."
url: "https://uscodex.org/cfr/21/520.600"
---

# §520.600. Dichlorvos capsules and pellets.

- (a) **Specifications.** Each capsule contains 2.27 milligrams (mg) (4 percent) dichlorvos.
- (b) **Sponsor.** See No. 069043 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Conditions of use in dogs—**
  - (1) **Amount.** Administer any combination of capsules and/or pellets so that the animal receives a single dose equaling 12 to 15 mg of dichlorvos per pound of body weight.
  - (2) **Indications for use.** For removal of Toxocara canis and Toxascaris leonina (roundworms), Ancylostoma caninum and Uncinaria stenocephala (hookworms), and Trichuris vulpis (whipworm) residing in the lumen of the gastrointestinal tract.
  - (3) **Limitations.** Federal law restricts this drug to use by or on the order of a licensed veterinarian.

## Notes

### Amendments

[83 FR 48945, Sept. 28, 2018]

### Authority

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

### Source

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

### Amendments

[83 FR 48945, Sept. 28, 2018]