Hives are usually caused by an allergic reaction although you can get them from an infection, physical irritations (such as heat, cold, light or friction), insect bites, chemical exposures or emotional reaction. (Yes, your hives can be a purely psychosomatic phenomena.) Hives may also be referred to as urticaria, welts ...

MIchaela Dutton lives with one of the most baffling medical conditions known to humans. She has aquagenic urticaria - an allergy to water - which leaves her with burning red welts and pain if she comes in contact with even a single drop of most liquids. The birth of Dutton's ...

UTAH –While many might joke about being allergic to the cold, (especially in more northern latitudes), Jaylyn Rogers has the real thing. It's called cold urticaria and it can leave her covered in hives at the smallest exposure to cold in any form. Rogers is going to participate in a study ...