Urticarial vasculitis is an autoimmune condition that causes itchy or painful hives. Some people may also develop inflammation in other organs, such as the kidneys or lungs. Vasculitis is a group of ...

A Complete Guide to Hives and Skin Health: By Shreoshree Chakrabarty Urticaria, commonly referred to as hives, is a skin condition marked by the sudden appearance of red, itchy welts or raised bumps.

Pressure urticaria is a type of chronic urticaria that causes recurring hives from pressure applied to your skin. It may be treated with a combination of trigger avoidance and medications. Better ...

Physical urticaria is a rash that develops when skin is exposed to a physical trigger such as cold, heat, pressure, or friction. The raised, itchy welts typically appear after exposure and fade within ...

Urticaria multiforme is a skin reaction that causes itchy, ring-shaped welts with bruise-like centers. Although the rash can look alarming, it typically resolves on its own without leaving scars. Also ...