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A member asked:
How long does it take for a spider bite to open up? my boyfriend has a lump on his upper arm that he believes is a spider bite and i was curious
3 doctors weighed in across 2 answers
24hours: It could progress very quickly. If a brown recluse spider bite it can turn black . Many times bites will turn red and just itch for a while. You could also get cellulitis or impetigo after a bite both bacterial infections of the skin.
Answered 6/3/2018
5.6k views
Depends: By open up, i assume you mean a blister or pustule that is opening. Lumps can sometimes just be due to induration (tense swelling at the site that feels hard) or is may be due to an abscess, especially if it is painful. I would recommend seeing a physician to determine if the wound is infected or just significantly swollen.
Answered 10/12/2017
5.6k views
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