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Black widow spider bite

C W Zukowski1

  • 1Family Practice Department, Naval Medical Clinic, Quantico, Virginia.

The Journal of the American Board of Family Practice
|May 1, 1993
PubMed
Summary
This summary is machine-generated.

Latrodectism, a spider bite syndrome, presents with characteristic symptoms. Intravenous calcium effectively manages pain and spasms, while antivenin provides definitive treatment for severe cases.

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Area of Science:

  • Toxicology
  • Clinical Medicine

Background:

  • Latrodectism is a syndrome caused by the bite of a Latrodectus spider, commonly known as a widow spider.
  • Classical features include a subclinical bite followed by systemic symptoms in a recognizable pattern.

Observation:

  • Two cases of latrodectism are presented, illustrating diagnostic and therapeutic challenges.
  • Symptoms such as pain and muscle spasms were refractory to standard treatments.

Findings:

  • Intravenous calcium administration provided relief from pain and muscle spasms.
  • A single dose of antivenin resulted in complete resolution of symptoms in one patient.
  • Therapeutic decisions involved balancing the risks of antivenin (anaphylaxis, serum sickness) against symptom severity and potential complications.

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Implications:

  • The findings highlight the effectiveness of intravenous calcium for symptom management and antivenin for definitive treatment of latrodectism.
  • Case specifics underscore the importance of individualized treatment decisions based on patient age, symptom severity, and potential risks.
  • Early recognition and appropriate management are crucial for favorable outcomes in latrodectism cases.