Code of Federal Regulations Title 21. Food and Drugs § 21.524.970 Flunixin

(1) Amount. Apply only once at a dose of 3.3 mg flunixin per kg body weight (1.5 mg/lb;  3 mL per 100 lbs) topically in a narrow strip along the dorsal midline from the withers to the tailhead.

(2) Indications for use. For the control of pyrexia associated with bovine respiratory disease and the control of pain associated with foot rot in steers, beef heifers, beef cows, beef bulls intended for slaughter, and replacement dairy heifers under 20 months of age.

(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian. Cattle must not be slaughtered for human consumption within 8 days of the last treatment. Not for use in female dairy cattle 20 months of age or older, including dry dairy cows;  use in these cattle may cause drug residues in milk and/or in calves born to these cows or heifers. Not for use in suckling beef calves, dairy calves, and veal calves. A withdrawal period has not been established for this product in pre-ruminating calves.