Medically reviewed by Corinne Savides Happel, MD Acute urticaria (hives) is a common skin condition that affects up to 20% of people at some point in their lives. It can transition into chronic ...

Hives, or urticaria, are a particular type of rash that may require different treatment than other types of rashes. Here's how to tell the difference between hives and other rashes as well as ...