21 CFR § 520.88bChapter I

§ 520.88b Amoxicillin trihydrate for oral suspension.

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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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(a) Specifications. When reconstituted, each milliliter contains amoxicillin trihydrate equivalent to 50 milligrams (mg) amoxicillin.

(b) Sponsor. See No. 054771 in § 510.600(c) of this chapter.

(1) Conditions of use—(i) Dogs—(A) Amount. Administer orally 5 mg per pound (/lb) of body weight, twice a day for 5 to 7 days.

(B) Indications for use. Treatment of infections caused by susceptible strains of organisms as follows: respiratory tract (tonsillitis, tracheobronchitis) caused by Staphylococcus aureus, Streptococcus spp., Escherichia coli, and Proteus mirabilis; genitourinary tract (cystitis) caused by S. aureus, Streptococcus spp., E. coli, and P. mirabilis; gastrointestinal tract (bacterial gastroenteritis) caused by S. aureus, Streptococcus spp., E. coli, and P. mirabilis; bacterial dermatitis caused by S. aureus, Streptococcus spp., and P. mirabilis; and soft tissues (abscesses, lacerations, and wounds) caused by S. aureus, Streptococcus spp., E. coli, and P. mirabilis.

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

(ii) Cats—(A) Amount. Administer orally 5 to 10 mg/lb of body weight, once daily for 5 to 7 days.

(B) Indications for use. Treatment of infections caused by susceptible strains of organisms as follows: upper respiratory tract due to Staphylococcus spp., Streptococcus spp., Haemophilus spp., E. coli, Pasteurella spp., and P. mirabilis; genitourinary tract (cystitis) due to S. aureus, Streptococcus spp., E. coli, P. mirabilis, and Corynebacterium spp.; gastrointestinal tract due to E. coli, Proteus spp., Staphylococcus spp., and Streptococcus spp.; skin and soft tissue (abscesses, lacerations, and wounds) due to Staphylococcus spp., Streptococcus spp., E. coli, and Pasteurella multocida.

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

(2) [Reserved]

(c) Sponsors. See Nos. 000856 and 051311 in § 510.600(c) of this chapter.

(1) Conditions of use. Dogs—(i) Amount. Administer orally 5 mg/lb of body weight, twice a day for 5 to 7 days.

(ii) Indications for use. Treatment of bacterial dermatitis due to S. aureus, Streptococcus spp., Staphylococcus spp., and E. coli, and soft tissue infections (abscesses, wounds, lacerations) due to S. aureus, Streptococcus spp., E. coli, P. mirabilis and Staphylococcus spp.

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

(2) [Reserved]

[57 FR 37319, Aug. 18, 1992; 57 FR 42623, Sept. 15, 1992, as amended at 60 FR 55658, Nov. 2, 1995; 62 FR 13302, Mar. 20, 1997; 67 FR 67521, Nov. 6, 2002; 68 FR 54658, Sept. 18, 2003; 68 FR 55824, Sept. 29, 2003; 79 FR 28816, May 20, 2014; 81 FR 17607, Mar. 30, 2016]

eCFR data current as of: June 12, 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.