Syndromes caused by envenomation by black widow spider bite
Mechanism of toxicity:
Females are responsible for human envenomations
Venom contains potent neurotoxin, α-latrotoxin:
History of spider bite very unreliable and species usually not identified
Described as a pinprick or pinch, if felt at all
Local complaints (within minutes of bit...
Immobilize the wound site and apply cool compresses or ice for comfort during transport to hospital
Supportive measures (analgesics, anxiolytics) may be required for pati...
Pediatric, elderly, pregnant, or symptomatic patients
Significant cardiovascular symptoms and signs, or severe HTN, particularly in presence of premorbid cardiac ...
Widow bites in infants may present as intractable crying
A high fever and WBC count should prompt consideration of alternatives to spider bites (e.g., infection)
Boyer LV, Binford GJ, McNally JT. Spider bites. In: Auerbach, ed. Wilderness Medicine. 5th ed. Philadelphia, PA: Mosby; 2007.
Clark RF, Wethern-Kestner S, Vance MV, et al. Cl...
217666004 Poisoning due to black widow spider venom (finding)
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