Necrosis of skin: The toxins from a black widow spider bite causes swelling and necrosis (cell death) at the site of bite. The course of the condition can vary.
Answered 9/28/2016
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Spider bites: Black widow spider bites can cause localized pain. This can lead to cramping of muscles in the area of the bite. Or there can be generalized cramping of muscles, nausea, vomiting, abdominal pain, chest pain, difficulty breathing and tremor. If pain is significant or you have generalized body symptoms- seek medical care. For severe symptoms call 911.
Answered 5/7/2015
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