21 CFR § 520.540c - Dexamethasone chewable tablets.

---
identifier: "/us/cfr/t21/s520.540c"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 520.540c - Dexamethasone chewable tablets."
title_number: 21
title_name: "Food and Drugs"
section_number: "520.540c"
section_name: "Dexamethasone chewable tablets."
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"
---


# 520.540c Dexamethasone chewable tablets.

(a) *Specifications.* Each half-scored tablet contains 0.25 milligram of dexamethasone.

(b) *Sponsor.* See No. 051031 in § 510.600(c) of this chapter.

(c) *Conditions of use in dogs*—(1) *Amount.* Administer by free-choice feeding or crumbled over food 0.25 to 1.25 milligrams daily in single or two divided doses until response is noted or 7 days have elapsed. When response is attained, dosage should be gradually reduced by 0.125 milligram per day until maintenance level is achieved.

(2) *Indications for use.* As supportive therapy in nonspecific dermatosis and inflammatory conditions.

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

[44 FR 7130, Feb. 6, 1979, as amended at 56 FR 50653, Oct. 8, 1991; 60 FR 55659, Nov. 2, 1995; 79 FR 28820, May 20, 2014; 82 FR 11508, Feb. 24, 2017]