21 CFR § 520.1880 - Prednisolone.

---
identifier: "/us/cfr/t21/s520.1880"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 520.1880 - Prednisolone."
title_number: 21
title_name: "Food and Drugs"
section_number: "520.1880"
section_name: "Prednisolone."
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"
---


# 520.1880 Prednisolone.

(a) *Specifications.* Each tablet contains 5 or 20 milligrams prednisolone.

(b) *Sponsor.* See No. 061690 in § 510.600(c)(2) of this chapter.

(c) *Conditions of use in dogs*—(1) *Amount.* Administer 2.5 milligrams per 4.5 kilograms (10 pounds) body weight per day. Administer total daily dose orally in equally divided doses 6 to 10 hours apart until response is noted or 7 days have elapsed. When response is attained, dosage should be gradually reduced until maintenance level is achieved.

(2) *Indications for use.* For use as an anti-inflammatory agent.

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

[57 FR 4718, Feb. 7, 1992, as amended at 60 FR 57832, Nov. 22, 1995; 63 FR 148, Jan. 5, 1998; 79 FR 28827, May 20, 2014]