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A 21-year-old female asked about a 20-year-old male:

My bf has a spider bite on the back of his leg thats about the size of a quarter it was red at first but now it is dark redish purple is this serious?

3 doctor answers6 doctors weighed in
Dr. James Kufdakis
39 years experience
Possible necrosis: This sounds like the bite may be becoming necrotic. A brown recluse bite frequently acts like this. Your bf should see a physician as he may need to have this area debrided and or may require antibiotics.
Dr. Rashid Khan
Internal Medicine 34 years experience
See a physician : He may be developing an abscess. You should consult a physician and get treated with antibiotics and incision and drainage if necessary.
Dr. Robert Dorsey
37 years experience
Potentially: sounds like a brown recluse spider bite that is progressing. see a doctor and get a tetanus shot if not up to date.
Last updated Aug 14, 2017


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