Urticaria and Angioedema Clinic aims to improve the accuracy of diagnosis and treatment of urticaria and angioedema, establish a national database for basic and clinical research in this field in order to function as an information resource for affected patients and their care givers, while enhancing the training for doctors. This clinic provides physical and skin testing / challenge testing facilities, where patients with urticaria and angioedema receive in-depth diagnosis and assessment and are advised on allergen/ additive avoidance.