Health Topics

Urticaria (Hives)

Urticaria, which is also known as hives, is a red, itchy skin rash with a raised white area in the center that can appear anywhere on the body. It is often mistaken for blisters, but does not contain fluid.

Urticaria usually goes away in 24 hours, but it may last several days.

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What Causes Urticaria?

What Is Chronic Urticaria?

How Is Urticaria Treated?


Last Updated: 08/2012