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." Becoming a meal for a hungry flea probably isn’t on your to-do list, but flea bites can and do happen to ...