4. An infection
There is a chance that a spider bite could become infected. This can happen when bacteria enter into the open wound that has been left behind as a result of the bite. If this happens, an infection can occur, as it is your body’s way of trying to drive out the bacteria that has invaded the wound.
The infection could weep or ooze, become inflamed and sore, or you might start to develop a fever and chills. Make sure you see a medical provider if this happens, as medications will be necessary to treat the infection.