21 CFR § 520.2123cChapter I

§ 520.2123c Spectinomycin solution.

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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 solution contains spectinomycin dihydrochloride pentahydrate equivalent to 50 milligrams (mg) spectinomycin.

Sponsors.(b) See Nos. 016592, 054771, and 061133 in § 510.600(c) of this chapter.

Related tolerances.(c) See § 556.600 of this chapter.

Conditions of use in swineAmount.(d) —(1) Administer 5 mg per pound (lb) of body weight orally twice daily for 3 to 5 days.

Indications for use.E. coli(2) For the treatment and control of porcine enteric colibacillosis (scours) caused by susceptible to spectinomycin in pigs under 4 weeks of age.

Limitations.(3) Do not administer to pigs over 15 lb body weight or over 4 weeks of age. Do not administer within 21 days of slaughter. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[73 FR 6607, Feb. 5, 2008, as amended at 78 FR 17596, Mar. 22, 2013; 79 FR 28828, May 20, 2014; 81 FR 22523, Apr. 18, 2016; 84 FR 8973, Mar. 13, 2019; 88 FR 14897, Mar. 10, 2023]

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.