title: An approach to urticaria.
authors.forename: Christian R
authors.initials: CR
authors.lastname: Halvorson
mesh_terms: D000208:Acute Disease; D000328:Adult; D001327:Autoimmune Diseases / Q000150:complications; D001733:Bites and Stings / Q000150:complications; D002648:Child; D002908:Chronic Disease; D005194:Family Practice / Q000379:methods; D006304:Health Status; D006801:Humans; D006967:Hypersensitivity / Q000150:complications; D008415:Mastocytosis / Q000150:complications; D008487:Medical History Taking / Q000379:methods; D009369:Neoplasms / Q000150:complications; D017410:Practice Guidelines as Topic; D012720:Severity of Illness Index; D014581:Urticaria / Q000150:complications / Q000175:diagnosis* / Q000517:prevention & control / Q000628:therapy*; D014657:Vasculitis / Q000150:complications