Section 524.1580c - Nitrofurazone and butacaine ointment(a)Specifications. The drug contains 0.2 percent nitrofurazone and 0.5 percent butacaine sulfate in a water-soluble base.(b)Sponsor. See No. 054925 in § 510.600(c) of this chapter.(c)Conditions of use -(1)Indications for use. For prevention or treatment of surface bacterial infections of ears, wounds, burns, and cutaneous ulcers of dogs, cats, and horses.(2)Limitations. Apply directly on the lesion with a spatula or first place on a piece of gauze. Use of a bandage is optional. The preparation should remain on the lesion for at least 24 hours. The dressing may be changed several times daily or left on the lesion for a longer period. For use only on dogs, cats, and horses (not for food use). In case of deep or puncture wounds or serious burns, use only as recommended by a veterinarian. If redness, irritation, or swelling persists or increases, discontinue use; consult veterinarian.49 FR 9417, Mar. 13, 1984, as amended at 71 FR 13542, Mar. 16, 2006. Redesignated at 79 FR 10971, Feb. 27, 2014; 79 FR 10971, Feb. 27, 2014