Hypersensitivity vs. uncommonly severe local envenoming by the red-back spider, Latrodectus hasselti Thorell, 1870 (Araneae: Theridiidae)

 


Hypersensitivity vs. uncommonly severe local envenoming by the red-back spider, Latrodectus hasselti Thorell, 1870 (Araneae: Theridiidae)

Highlights

  • Widow spider envenoming commonly causes a recognizable syndrome, latrodectism

  • Common features include pain, diaphoresis, myalgia, autonomic effects

  • 34-yr-old woman envenomed by red-back spider (Latrodectus hasselti) developed severe local edema

  • Patient had a history of previous L. hasselti envenoming treated with antivenom

  • Patient was effectively treated with antivenom

  • Full resolution required one week

  • Mixed atopy and venom-induced effects should be considered in some envenomed patients

Weinstein, S. A. (2024). Hypersensitivity vs. Uncommonly severe local envenoming by the red-back spider, Latrodectus hasselti Thorell, 1870 (Araneae: Theridiidae). Toxicon, 108077. https://doi.org/10.1016/j.toxicon.2024.108077