CIU affects around 1.5 million people in the U.S. The red, itchy bumps or welts can appear anywhere on the body, and can last for several months or even years.
“I always thought hives was your mother-in-law’s nervous breakdown. I thought, ‘Me, hives? I’m not stressed; I’m not nervous.’ But most people do get hives at some point in their lives, and for those of us who have chronic hives it can be on-going,” Lawrence said.