There are many different types of hives -- urticaria -- with many different causes. In most cases, these puffy, red, or skin-colored bumps and wheals appear suddenly due to an allergic reaction to ...

Itchy, raised bumps caused by hives can look different on medium and dark skin ... a board certified dermatologist to help clarify what type of rash you have. Most available images of hives ...

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 ...

However, some contagious infections can cause hives. Hives, or urticaria, causes welts on the skin. It is a type of itchy rash. While the rash itself is not contagious, the underlying cause may be.

About half of people with "chronic spontaneous urticaria," or CSU, the most common type of chronic hives, experience what ...