Bite by venomous snake. Poisonous snake bites are medical emergencies. It usually takes several hours for snake venom to kill. The right antivenom can save a victim's life.
Snake bites can cause severe local tissue damage and often require follow-up care.
DO NOT allow the victim to exercise. If necessary, carry the victim to safety. DO NOT apply a tourniquet. DO NOT apply cold compresses to a snake bite. DO NOT cut into a snake bite.