Tag Archives: uricaria

Chronic Spontaneous Urticaria

Chronic urticaria is defined as wheals (hives), angioedema (swelling), or both that has been continuously or intermittently present for at least 6 weeks, in contrast to acute urticaria which is an episode of less than 6 weeks duration. This condition is common affecting about half a million Americans. It has recently been the subject of…


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