Regulations last checked for updates: Sep 12, 2025

Title 21 - Food and Drugs last revised: Sep 04, 2025
§ 524.1312 - Marbofloxacin, terbinafine, and dexamethasone otic suspension.

(a) Specifications. Each single-use tube contains 15.1 milligrams (mg) marbofloxacin, 22.7 mg terbinafine, and 2.01 mg dexamethasone.

(b) Sponsor. See No. 043264 in § 510.600(c) of this chapter.

(c) Conditions of use—(1) Amount. Administer one dose (1 tube) per affected ear once. Do not clean the ear canal for 30 days after administration.

(2) Indications for use. For the treatment of otitis externa associated with susceptible strains of yeast (Malassezia pachydermatis) and bacteria (Staphylococcus pseudintermedius) in dogs.

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

[90 FR 40970, Aug. 22, 2025]
authority: 21 U.S.C. 360b.
source: 40 FR 13873, Mar. 27, 1975, unless otherwise noted.
cite as: 21 CFR 524.1312