Funnel-web Spider Antivenom

This lapine IgG Fab is the definitive treatment of envenoming by funnel-web spiders (Atrax spp. and Hadronyche spp.). It may also be useful in treating envenoming by mousesSpiders (Missulena bradleyi).

Pitfalls

  • Failure to give repeat doses of antivenom following an absent, incomplete or transient response to the initial dose
  • Inadequate initial dose with life-threatening envenoming
  • Withholding antivenom from the envenomed child or pregnant woman due to concerns about the potential adverse reactions
  • Administration of antivenom to a patient who has not been envenomed

References:

  • White J.  CSL Antivenom Handbook 2001.  CSL Ltd Parkville Melbourne Victoria

Toxicology Handbook

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About Mike Cadogan

Emergency physician with a passion for medical informatics and medical education. Co-founder of HealthEngine, iMeducate, and the GMEP. He writes more eclectically on the web as @sandnsurf | + Mike Cadogan | Contact