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Typically, a spider bite looks like any other bug bite — a red, inflamed, sometimes itchy or painful bump on your skin — and may even go unnoticed. Harmless spider bites usually don't produce other symptoms.
Signs and symptoms of a black widow spider bite may include:
The pain associated with a brown recluse spider bite typically increases during the first eight hours after the bite. The bite usually heals on its own in about a week. In a minority of cases, the skin at the center of the bite can become dusky red and then evolve into a deep open sore (ulcer) that enlarges as the surrounding skin dies. The ulcer usually stops growing within 10 days after the bite, but full healing can take months.
Seek prompt medical assistance if you believe you've been bitten by a spider and you're experiencing:
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