21 CFR § 520.246 - Butorphanol tablets.

---
identifier: "/us/cfr/t21/s520.246"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 520.246 - Butorphanol tablets."
title_number: 21
title_name: "Food and Drugs"
section_number: "520.246"
section_name: "Butorphanol 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"
---


# 520.246 Butorphanol tablets.

(a) *Specifications.* Each tablet contains butorphanol tartrate equivalent to 1, 5, or 10 milligrams (mg) butorphanol base.

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

(c) *Conditions of use in dogs*—(1) *Amount.* Administer 0.25 mg butorphanol base per pound of body weight. Repeat at intervals of 6 to 12 hours as required. Treatment should not normally be required for longer than 7 days.

(2) *Indications for use.* For the relief of chronic nonproductive cough associated with tracheobronchitis, tracheitis, tonsillitis, laryngitis, and pharyngitis associated with inflammatory conditions of the upper respiratory tract.

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

[79 FR 28818, May 20, 2014]