Learn to identify and treat dangerous spider bites with expert advice on symptoms, treatments and prevention methods for the ...

The first signs of a black widow spider bite are usually a pinprick sensation, minor swelling, redness and a target-shaped sore, Medline Plus explains. Within 15 minutes to an hour of getting the bite ...

Redback spider venom contains neurotoxins that can cause severe pain, sweating and systemic symptoms such as nausea and muscle spasms. Redback bites are more commonly inflicted by a female redback ...

The black widow spider can be found on every continent except Antarctica. Its venom is toxic and painful, leaving victims to feel the effects long after the bite. Following is a transcript of the ...

Most spider bites cause local pain, redness and swelling. It's much like a bee sting reaction. A few spiders (such as the Black Widow) can cause a more severe reaction. Helpful if spider seen on the ...