Tap any paragraph to write a margin note. Your notes collect in the Desk below the text and file under cases with @. The side-by-side margin rail opens on a larger screen.

§
Marginalia
Code · CFR · Title 21 — Food and Drugs · Part 520 — Oral Dosage Form New Animal Drugs · § 520.1871

§ 520.1871. Praziquantel and pyrantel.

351 words·~2 min read·/us/cfr/t21/s§ 520.1871·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

(a)Specifications.
(1)Each tablet contains 13.6 milligrams
(mg)praziquantel and 54.3 mg pyrantel base (as pyrantel pamoate), 18.2 mg praziquantel and 72.6 mg pyrantel base (as pyrantel pamoate), or 27.2 mg praziquantel and 108.6 mg pyrantel base (as pyrantel pamoate).
(2)Each chewable tablet contains 30 mg praziquantel and 30 mg pyrantel pamoate or 114 mg praziquantel and 114 mg pyrantel pamoate.
(b)Sponsors. See sponsors in § 510.600(c) for use as in paragraph
(d)of this chapter.
(1)See No. 058198 for use of tablets described in paragraph (a)(1) of this section for use as in paragraph (d)(1) of this section.
(2)See No. 051311 for use of tablets described in paragraph (a)(2) of this section for use as in paragraph (d)(2) of this section.
(c)Special considerations. See § 500.25 of this chapter.
(d)Conditions of use—(1) Cats—(i) Dosage. Administer a minimum dose of 2.27 mg praziquantel and 9.2 mg pyrantel pamoate per pound of body weight according to the dosing tables on labeling. May be given directly by mouth or in a small amount of food. Do not withhold food prior to or after treatment. If reinfection occurs, treatment may be repeated.
(ii)Indications for use. For removal of tapeworms (Dipylidium caninum and Taenia taeniaeformis), hookworms (Ancylostoma tubaeforme), and large roundworms (Toxocara cati) in cats and kittens.
(iii)Limitations. Not for use in kittens less than 2 months of age or weighing less than 2.0 pounds. Consult your veterinarian before giving to sick or pregnant animals.
(2)Dogs—(i) Amount. Administer a minimum dose of 5 mg praziquantel and 5 mg pyrantel pamoate per kilogram body weight (2.27 mg praziquantel and 2.27 mg pyrantel pamoate per pound body weight) according to the dosing tables on labeling.
(ii)Indications for use. For the treatment and control of roundworms (Toxocara canis and Toxascaris leonina), hookworms (Ancylostoma caninum, Ancylostoma braziliense, and Uncinaria stenocephala), and tapeworms (Dipylidium caninum and Taenia pisiformis) in dogs and puppies. [58 FR 58652, Nov. 3, 1993, as amended at 72 FR 16270, Apr. 4, 2007; 75 FR 54018, Sept. 3, 2010; 86 FR 14819, Mar. 19, 2021]
Connections2 cite this
Citation graph
cites case law
§ 520.1871
Praziquantel and pyrantel.
Fed. Reg.×2
Cites 0Cited by 2 across 1 source
★   the supreme law of the land   ★
Don't Tread on Me
E Pluribus Unum — out of many, one

"If you don't know your rights, you don't have any."

Marginalia · a citizen's law index
A research desk, not legal advice. Always read the cited source before relying on a summary.
Questions or an issue? support@self-law.org
disclaimerMarginalia is a research index, not a law firm. Nothing on this site is legal, tax, or financial advice and no attorney–client relationship is formed by using it. Statutes, regulations, and case law change; summaries, search results, AI output, and member posts may be incomplete, out of date, or wrong. Any interpretation drawn from material on this site should be validated by a licensed attorney in your jurisdiction before you act on it.