If this occurs, there may be additional symptoms, including: Urticaria pigmentosa typically begins in infancy and early ...

Dermatographism is a form of pressure urticaria in which hives will form along the lines of trauma wherever the skin is scratched, rubbed, or roughly stroked. The term "dermatographism" literally ...

Hives is a common condition that causes itchy, raised welts on the skin. The medical name for hives is urticaria. The condition is most often caused by an allergic reaction or an irritant in your ...

Drug rashes can be an unwanted side effect of many medications. Learn which medications can cause these skin reactions.

Ever come up in hives after working out? Exercise-induced urticaria could be to blame. Welcome back to Just Curious, Strong Women’s weekly series exploring all the random health and fitness ...