Facts about Black Widow Spider Venom
- 05
Antivenom derived from horse serum is the standard medical treatment for severe black widow spider venom envenomation and rapidly relieves symptoms.
- 04
Alpha-latrotoxin, the main active component in black widow spider venom, works by forming pores in nerve cell membranes that cause uncontrolled calcium influx.
- 03
Black widow spider venom is roughly 15 times more potent by weight than rattlesnake venom, though the tiny amount injected rarely proves fatal to healthy adults.
- 02
Envenomation by black widow spiders causes a syndrome called latrodectism, characterized by severe muscle cramps, pain, and autonomic disturbances.
- 01
The primary toxic component of black widow spider venom is latrotoxin, a protein that triggers massive neurotransmitter release at nerve terminals.