Other times, like with a wasp sting or spider bite, when the venom releases into the skin and surrounding tissue, it causes pain and inflammation. These reactions can sometimes lead to bruising.

Black widow spider bites usually involve two puncture ... Learn more about tick-borne diseases. Aside from bruising, a bug bite may cause discoloration and swelling (inflammation).

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 ...

Here are some of the mot common bug, insect and spider bites you might be dealing with — and insect bite pictures to help you figure out what type of creature is responsible. Ticks are so small and ...