Spider Bite

How toxic is it?

There are few spiders in Washington whose bites require medical treatment .

  • All bites have a risk for infection 
  • Black widow Spider- Rarely has puncture wounds, Extreme pain, and muscle cramping   
  • Yellow Sac Spider and Hobo Spider- both spiders have venom that can create a small necrotic lesion (reddish purple blob) and local tissue injury   

Common brands & formats

Clinically relevant spider 

  • Black widow 
  • Yellow sac Spider  
  • Hobo spider 

What to do