title: Urticaria: attempts at classification.
abstract: Among the many attempts to classify urticaria, 2 categories have been accepted worldwide, namely according to time course into acute (shorter than 6 weeks) and chronic urticaria (longer than 6 weeks) and a classification according to etiopathophysiology. A special subgroup is the physical urticarias where wheals are elicited via specific physical (mechanical, temperature, radiation) stimuli. In many forms of chronic urticaria, psychosomatic influences play a role. Despite great progress in modern immunology and allergology, chronic urticaria still remains a challenge for doctors and patients.
authors: Department Dermatology and Allergology Biederstein, Christine Kühne-Center for Allergy Research and Education, Technische Universitaet Muenchen, München, Germany. Johannes.ring@lrz.tu-muenchen.de
authors: J
authors: J
authors: Ring
authors: M
authors: M
authors: Grosber
mesh_terms: D000208:Acute Disease; D002908:Chronic Disease; D006801:Humans; D014581:Urticaria / Q000145:classification* / Q000175:diagnosis / Q000209:etiology