What Is Chronic Idiopathic Urticaria (Hives)?
About 20% of people get hives — itchy red or skin-colored welts also known as urticaria. They’re often caused by an allergic reaction to a food or drug. Usually, they go away quickly. For a small number of people, though, hives come back again and again, with no known cause. When new outbreaks happen almost… Read More »What Is Chronic Idiopathic Urticaria (Hives)?