Black Widow Spider Bite Topic Guide

Black Widow Spider Bite Black Widow Spider Bite: The bite of a black widow spider can be serious, but it's rarely fatal. Symptoms include pain, muscle pain in large muscle groups, nausea, and sometimes vomiting and fainting. Go to the emergency department if the pain is more than minor, and call paramedics if symptoms are severe. Adults with black widow bites seldom have complications, however.

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