Two sets of fang marks in his tiny calf were a telltale sign of what had just occurred. The antivenom can lead to anaphylaxis, an allergic reaction that can cause shock, and even death. However, death is rare, Dart said. The Food and Drug Administration approved CroFab late last year.
Several things can occur when someone is bitten by a venomous snake.
Antivenoms work by binding with the snake venom and essentially deactivating it, Dart said. Antivenoms are made by injecting small amounts of venom in a host animal, such as a sheep or horse, so the animal creates antibodies, he said.