It can be distressing to wake up with a mysterious swollen red rash on your ankle. Could that rash be an insect bite? And what kind of bug bit you? The answers aren't so easy to figure out.

but they also leave behind itchy red welts. The reason for this itching comes down to your body's response to the mosquito's prick. Why do mosquito bites itch? We all know that mosquito bites are ...

Comparing bug bite photos isn’t a perfect science ... Bites vary by species and person, but they’re often raised, red bumps or welts. Some might even bleed. Blackfly bites also might swell.

And how to tell if that little welt is turning into something more ... Minn., reactions to insect bites fall into three categories: 1. Normal Reaction When insects bite or sting, they commonly ...

Bite Helper is not a mosquito repellent ... my teenage daughter presented me with two nasty welts on her knee. I made sure her knee was dry (Bite Helper warns against using it on wet skin ...