[Code of Federal Regulations] [Title 21, Volume 6] [Revised as of January 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR522.90c] [Page 221] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 522--IMPLANTATION OR INJECTABLE DOSAGE FORM NEW ANIMAL DRUGS--Table of Contents Sec. 522.90c Ampicillin sodium for aqueous injection. (a) Specifications. When reconstituted, each milliliter contains ampicillin sodium equivalent to 300 milligrams of ampicillin. (b) Sponsor. See No. 000069 in Sec. 510.600(c) of this chapter. (c) Conditions of use. Horses--(1) Amount: 3 milligrams per pound of body weight twice daily. (2) Indications for use. Treatment of respiratory tract infections (pneumonia and strangles) due to Staphylococcus spp., Escherichia coli, and Proteus mirabilis, and skin and soft tissue infections (abscesses and wounds) due to Staphylococcus spp., Streptococcus spp., E. coli, and P. mirabilis, when caused by susceptible organisms. (3) Limitations. Administer either intravenously or intramuscularly. Treatment should be continued 48 hours after all symptoms have subsided. If no response is seen in 4 to 5 days, reevaluate diagnosis. Not for use in horses or other animals which are raised for food production. Federal law restricts this drug to use by or on the order of a licensed veterinarian. [57 FR 37331, Aug. 18, 1992, as amended at 60 FR 55659, Nov. 2, 1995]