21 CFR § 520.88c - Amoxicillin trihydrate oral suspension.

---
identifier: "/us/cfr/t21/s520.88c"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 520.88c - Amoxicillin trihydrate oral suspension."
title_number: 21
title_name: "Food and Drugs"
section_number: "520.88c"
section_name: "Amoxicillin trihydrate oral suspension."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "E"
subchapter_name: "ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS"
part_number: "520"
part_name: "ORAL DOSAGE FORM NEW ANIMAL DRUGS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 360b."
regulatory_source: "40 FR 13838, Mar. 27, 1975, unless otherwise noted."
cfr_part: "520"
---


# 520.88c Amoxicillin trihydrate oral suspension.

(a) *Specifications.* Each 0.8-milliliter dose contains amoxicillin trihydrate equivalent to 40 milligrams (mg) amoxicillin.

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

(c) *Related tolerances.* See § 556.38 of this chapter.

(d) *Conditions of use in swine*—(1) *Amount.* Administer 40 mg orally twice a day using a dosing pump. Treat animals for 48 hours after all symptoms have subsided but not beyond 5 days.

(2) *Indications for use.* Treatment of baby pigs under 10 pounds for porcine colibacillosis caused by *Escherichia coli* susceptible to amoxicillin.

(3) *Limitations.* Do not slaughter during treatment or for 15 days after latest treatment. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[57 FR 37319, Aug. 18, 1992, as amended at 60 FR 55658, Nov. 2, 1995; 79 FR 28817, May 20, 2014; 85 FR 18118, Apr. 1, 2020]