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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Spotting new bumps on your body can leave you scrambling to find pictures of skin rashes to compare them ...