Crotalidae polyvalent North and South American snakebite antiserum for use in dogs that have been bitten by viperine snakes. Antivenin neutralizes the venom of the viperine snakes, including all North American species of rattlesnakes, copperheads and cottonmouth moccasins. It contains a protective substance against the venoms of the related species in Central and South America, including the bushmaster and the fer-de-lance, and the habu and Mamushi of the Pacific Islands and Asiatic mainland. Administer IV. However, in emergency, when exposure is such that IV administration is not practical, the product may be administered IM as close to the site of exposure as practical.
