If there is redness : If the area becomes more swollen, red or painful it is likely you have an infection and not just a spider bite. We often see patients in the ER with "spider bites" which turn out to be infections from hair, pimple or boil these often grow MRSA or resistant Staph infection so it is better to get it checked sooner rather than later if it is looking red or infected. Usually treated with Bactrim (sulfamethoxazole and trimethoprim) or
Answered 8/10/2017
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