A brown recluse also can leave a bite like that. It can get infected and even in some cases turn into gangrene. See your doctor. The venom from a brown recluse never leaves your body and in some cases it can break out another spot any time.
What Kind Of Spider Bite Leaves A Big Red Bump With Puss In The Middle And Won't Stop Itching?
Sounds more like a staph infection and not a spider bite
It sounds more like a boil or a bug bite.