21 CFR §524.1484c
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
- (a)Specifications. The drug contains 5 milligrams of neomycin sulfate (equivalent to 3.5 milligrams of neomycin base), 1 milligram of isoflupredone acetate, and 5 milligrams of tetracaine hydrochloride in each gram of ointment.
- (b)Sponsor. See No. 054771 in § 510.600(c) of this chapter.
- (c)Conditions of use in dogs—(1) Amount. In treatment of otitis externa and other inflammatory conditions of the external ear canal, a quantity of ointment sufficient to fill the external ear canal; may be applied one to three times daily. When used on the skin or mucous membranes, the affected area should be cleansed, and a small amount of the ointment applied and spread or rubbed in gently. The involved area may be treated one to three times a day and these daily applications continued in accordance with the clinical response.
- (2)Indications for use. For the treatment of acute otitis externa in dogs and to a lesser degree, chronic otitis externa in dogs. It also is effective in treating anal gland infections and moist dermatitis in the dog and is a useful dressing for minor cuts, lacerations, abrasions, and post-surgical therapy in the horse, cat, and dog. It may also be used following amputation of dewclaws, tails and claws, following ear trimming and castrating operations.
- (3)Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.