21 CFR § 520.2044Chapter I

§ 520.2044 Pyrantel pamoate paste.

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Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.

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Specifications(a) —(1) Each milliliter (mL) contains 180 milligrams (mg) pyrantel base (as pyrantel pamoate).

(2) Each mL contains 226 mg pyrantel base (as pyrantel pamoate).

(3) Each mL contains 171 mg pyrantel base (as pyrantel pamoate).

Sponsors.(b) See sponsors in § 510.600(c) of this chapter.

(1) No. 054771 for use of product described in paragraph (a)(1) of this section as in paragraph (d)(1)(i) and (d)(2) of this section.

(2) No. 017135 for use of product described in paragraph (a)(2) of this section as in paragraph (d) of this section.

(3) No. 061133 for use of product described in paragraph (a)(3) of this section as in paragraph (d)(1)(i) and (d)(2) of this section.

Special considerations.(c) See § 500.25 of this chapter.

Conditions of use.(d) It is used in horses and ponies as follows:

Amounts and indications for use.Strongylus vulgarisS. edentatusS. equinusOxyuris equiParascaris equorum(1) (i) 3 mg per pound (/lb) body weight as single oral dose for removal and control of infections from the following mature parasites: large strongyles (, , ); small strongyles; pinworms (); and large roundworms ().

Anoplocephala perfoliata(ii) 6 mg/lb body weight as single oral dose for the removal and control of mature infections of tapeworms ().

Limitations.(2) Do not use in horses intended for human consumption.

[70 FR 29447, May 23, 2005, as amended at 76 FR 17337, Mar. 29, 2011; 78 FR 17596, Mar. 22, 2013; 79 FR 28827, May 20, 2014; 81 FR 17607, Mar. 30, 2016; 84 FR 8973, Mar. 13, 2019]

eCFR data current as of: June 10, 2026

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.