Skip to main content
Find a Lawyer

Code of Federal Regulations Title 21. Food and Drugs § 21.520.2134 Spinosad and milbemycin

Current as of January 02, 2025 | Updated by Findlaw Staff

(a) Specifications. Each chewable tablet contains 140 milligrams (mg) spinosad and 2.3 mg milbemycin oxime, 270 mg spinosad and 4.5 mg milbemycin oxime, 560 mg spinosad and 9.3 mg milbemycin oxime, 810 mg spinosad and 13.5 mg milbemycin oxime, or 1,620 mg spinosad and 27 mg milbemycin oxime.

(b) Sponsor. See No. 058198 in § 510.600 of this chapter.

(c) Conditions of use in dogs—

(1) Amount. Administer once a month at a minimum dosage of 13.5 mg/pound (lb) (30 mg/kilogram (kg)) of body weight spinosad and 0.2 mg/lb (0.5 mg/kg) of body weight milbemycin oxime.

(2) Indications for use. To kill fleas;  for the prevention and treatment of flea infestations (Ctenocephalides felis);  for the prevention of heartworm disease (Dirofilaria immitis);  and for the treatment and control of adult hookworm (Ancylostoma caninum), adult roundworm (Toxocara canis and Toxascaris leonina), and adult whipworm (Trichuris vulpis) infections in dogs and puppies 8 weeks of age or older and 5 lbs of body weight or greater.

(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

Previous Part of Code Next Part of Code
Back to Chapter List

Cite this article: FindLaw.com - Code of Federal Regulations Title 21. Food and Drugs § 21.520.2134 Spinosad and milbemycin - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-21-food-and-drugs/cfr-sect-21-520-2134/

FindLaw Codes may not reflect the most recent version of the law in your jurisdiction. Please verify the status of the code you are researching with the state legislature before relying on it for your legal needs.

Was this helpful?

Welcome to FindLaw's Cases & Codes

A free source of state and federal court opinions, state laws, and the United States Code. For more information about the legal concepts addressed by these cases and statutes, visit FindLaw’s Learn About the Law.

Go to Learn About the Law

Latest Blog Posts

For Legal Professionals

Learn About The Law

Get help with your legal needs

FindLaw’s Learn About the Law features thousands of informational articles to help you understand your options. And if you’re ready to hire an attorney, find one in your area who can help.

Go to Learn About the Law

Need to Find an Attorney?

Search our directory by legal issue

Enter information in one or both fields (Required)

Copied to clipboard