[Code of Federal Regulations] [Title 21, Volume 1] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR522.144] [Page 220] 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. 522.144 Arsenamide sodium aqueous injection. (a) Chemical name. [[(p-Carbamoylphenyl) arsylene]dithio diacetic acid, sodium salt. (b) Specifications. The drug is a sterile aqueous solution and each milliliter contains 10.0 milligrams of arsenamide sodium. (c) Sponsor. See No. 050604 in Sec. 510.600(c) of this chapter. (d) Conditions of use. (1) For the treatment and prevention of canine heartworm disease caused by Dirofilaria immitis. (2) It is administered intravenously at 0.1 milliliter per pound of body weight (1.0 milliliter for every 10 pounds) twice a day for 2 days. For dogs in poor condition, particularly those with evidence of reduced liver function, a more conservative dosage schedule of 0.1 milliliter per pound of body weight daily for 15 days is recommended. (3) Restricted to use only by or on the order of a licensed veterinarian. [40 FR 13858, Mar. 27, 1975, as amended at 43 FR 27785, June 27, 1978; 45 FR 56798, Aug. 26, 1980; 55 FR 26683, June 29, 1990]