Urticaria and Angioedema

Urticaria is one of the most common diseases in dermatology and allergy. Unlike many other diseases, the ? eeting nature of the wheals makes ? rst diagnosis by both patients and phy- cians in many cases easy. However, this only refers to the ordinary wheals. The disease itself is highly complex in nature, with variety of clinical manifestations ranging from pinpoi- sized wheals to extensive angiodema. Complexity is also seen in the diversity of possible eliciting factors, the many different clin