21 CFR § 520.1425Chapter I

§ 520.1425 Metronidazole.

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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) Each milliliter of suspension contains 125 milligrams (mg) metronidazole.

Sponsor.(b) See No. 051311 in § 510.600(c) of this chapter.

Conditions of useAmount.(c) —(1) Administer 25 mg per kilogram (11.3 mg per pound) of body weight twice daily for 5 consecutive days.

Indications for use.Giardia duodenalis(2) For the treatment of infection in dogs.

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

[89 FR 14410, Feb. 27, 2024]

eCFR data current as of: June 10, 2026

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