[Urticaria and Systemic Diseases]

Urticaria is a transient eruption of erythematous or oedematous swelling of the dermis and is usually associated with itching which clinically is very easy to diagnose. However, it causes several etiological, pathophysiological and therapeutic problems. We will develop the acute and chronic urticaria as well as their different associations with systemic diseases. Some current data concerning chronic idiopathic autoimmune urticaria is reviewed. The management and therapeutics will be discussed.