Spider bite
（重定向自Arachnidism）
![](/Images/godic/202412/21/Black_Wishbone1755.jpg")
![A Brazilian man 31 hours after having been bitten on his face by a recluse spider](/Images/godic/202412/21/BrownRecuse11755.jpg")
![4 months after a brown recluse spider bite with scar remaining](/Images/godic/202412/21/BrownRecuse21755.jpg")
![](/Images/godic/202412/21/PlatycryptusUndatusFemale1755.jpg")
A spider bite, also known as arachnidism, is an injury resulting from the bite of a spider. The effects of most bites are not serious. Most bites result in mild symptoms around the area of the bite. Rarely they may produce a necrotic skin wound or severe pain.