Abstract
Chronic urticaria is a common disorder characterized by recurrent wheals, angioedema, or both. Several differential diagnoses need to be considered in patients presenting with wheals and/or angioedema. These include rare diseases such as autoinflammatory syndromes and urticarial vasculitis in patients with recurrent wheals and bradykinin-mediated angioedema in patients with recurrent swellings. AIM AND RESULT: In order to not miss these conditions, we have developed a symptom-based diagnostic algorithm for the management of patients with wheals and/or angioedema. By asking the right questions and performing a limited diagnostic workup as suggested here, this algorithm may help to establish the right diagnosis and treat patients early and more effectively.
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