---
kind: "section"
citation: "21 C.F.R. § 520.598"
title: "21"
number: "520.598"
heading: "Dichlorvos tablets."
url: "https://uscodex.org/cfr/21/520.598"
---

# §520.598. Dichlorvos tablets.

- (a) **Specifications.** Each tablet contains 2, 5, 10, or 20 milligrams (mg) 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, puppies, cats, and kittens—**
  - (1) **Amount.** Administer orally at 5 mg dichlorvos per pound of body weight.
  - (2) **Indications for use—**
    - (i) **Dogs and puppies—** Removal and control of intestinal roundworms (Toxocara canis and Toxascaris leonina) and hookworms (Ancylostoma caninum and Uncinaria stenocephala).
    - (ii) **Cats and kittens—** Removal and control of intestinal roundworms (Toxocara cati and Toxascaris leonina) and hookworms (Ancylostoma tubaeforme and Uncinaria stenocephala).
  - (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]