Swimmer’s itch, or cercarial dermatitis, is a skin condition caused by “microscopic parasites,” according to the Centers for ...

Medically reviewed by Susan Bard, MD Hives are red, raised bumps that stem from allergies, infections, or stress.Flea and chigger bites look like small, red, pimple-like bumps and feel very ...

The itch—an unpleasant sensation on the skin that makes you want to scratch, sometimes desperately. For most of us, it's merely a transitory annoyance. But living with chronic itching without relief ...