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 ...

Brown recluse bites often start with mild redness followed by pain and itching. The bite is usually flat, though it may develop a small blister. Sometimes, a bull’s-eye pattern with a blue or purple ...

These Arizona animals can harm or even kill a person with bites or stings. What to know about bark scorpions, black widows, Gila monsters and more.

Last year, the Banner Poison Control Center received over 5,000 scorpion stings and over 100 rattlesnake bite calls.

The skin bumps are the body's reaction to the insect's saliva. While the bug is sucking blood, some of its secretions get mixed in. Anaphylaxis With Insect Bites: Very Rare A severe life-threatening ...

Forget about complaining over gnats and mosquitoes — Arizona is home to some of the most venomous creatures on the planet. If you want to be precise, know that venomous creatures inject toxins ...

Brian Smith suffered a severe reaction to a false widow bite that has led him to warn others about British spiders ...

Horrifying photos show how his hand, arm, leg and even foot ballooned up as the venom ran rampant through his body.