Anavip
Anavip is the brand name of a snake antivenin indicated for the management of people with North American rattlesnake envenomation. As defined by the US Food and Drug Administration, the proper name is crotalidae immune F2. It is manufactured by Rare Disease Therapeutics.
Anavip is a divalent fragment antigen-binding protein, F2, derived from the blood of horses immunized with the venom of the snakes Bothrops asper and Crotalus durissus. The product is produced by pepsin digestion of horse blood plasma then purified resulting in a preparation containing >85% F2.