StacksVerified U.S. regulatory reference

21 CFR §524.1484i

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Specifications. The drug contains 5 milligrams of neomycin sulfate, equivalent to 3.5 milligrams of neomycin base, and 5 milligrams of hydrocortisone acetate in each gram of ointment. 1
  2. (b)Sponsor. See No. 054771 in § 510.600(c) of this chapter.
  3. (c)Conditions of use in dogs and cats—(1) Amount. Apply 3 or 4 times daily into the conjunctival sac. With improvement, frequency may be reduced to 2 or 3 times daily. For treatment of ear canker and other inflammatory conditions of the external ear canal, fill external ear canal 1 to 3 times daily.
    1. (2)Indications for use. For the treatment of infections, allergic and traumatic keratitis, conjunctivitis, acute otitis externa and, to a lesser degree, chronic otitis externa.
    2. (3)Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.