21 CFR § 520.1263a - Lincomycin tablets and syrup.

---
identifier: "/us/cfr/t21/s520.1263a"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 520.1263a - Lincomycin tablets and syrup."
title_number: 21
title_name: "Food and Drugs"
section_number: "520.1263a"
section_name: "Lincomycin tablets and syrup."
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"
---


# 520.1263a Lincomycin tablets and syrup.

(a) *Specifications.* (1) Each ounce of syrup contains lincomycin hydrochloride equivalent to either 25 or 50 milligrams (mg) lincomycin.

(2) Each tablet contains lincomycin hydrochloride equivalent to either 25 or 50 mg lincomycin.

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

(c) *Conditions of use in dogs and cats*—(1) *Amount.* Administer orally 10 mg per pound of body weight every 12 hours, or 7 mg per pound of body weight every 8 hours, for up to 12 days.

(2) *Indications for use.* For infections caused by gram-positive organisms which are sensitive to its action, particularly streptococci and staphylococci.

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

[78 FR 28823, May 20, 2014]