Why do I swell up from bug bites? The swelling around the bite iscaused by histamine, which is produced by the immune system. Histamine increases blood flow and white blood cell count around the affected area, which causes inflammation or swelling. Mosquito bites itch because histamine also sen...
What it looks like: There are a few major fly species that bother people in the United States, including deer, horse, stable, and black flies. Bites vary by species and person, but they’re often raised, red bumps or welts. Some might even bleed. Blackfly bites also might swell. (Pict...
Hello. I am a 32 years old man and lately, whenever a mosquito bites me, than I have this strange allergic reaction. From ordinary mosquito bite, the bitten area starts to swell, they are yellow-reddish and look very severe, like I have some contagious disease. Haven't gone to the der...
Ant Bites and Stings JodiJacobson//Getty Images What they look like:Some ants can bite and sting. If you’re dealing with an aggressive one, it’s probably afire ant, which are more common in the southern states. Fire ants, because they’re so lovely, will actually bite you so they ...