title: Recurring and chronic urticaria: identification of etiologies.
abstract: Most of the literature on chronic urticaria has emphasized the difficulties of identifying etiology. Employing the sequential vascular response test, the authors have had a 93% success rate in determining causative factors in 156 clinic patients and of identifying specific aggravants in 85% of 300 cases.
mesh_terms: D001241:Aspirin; D001463:Barbiturates; D001780:Blood Coagulation Tests; D001965:Bromides; D002908:Chronic Disease; D004342:Drug Hypersensitivity / Q000150:complications*; D006801:Humans; D007454:Iodides; D012008:Recurrence; D014581:Urticaria / Q000175:diagnosis / Q000209:etiology*
chemical_list: D001463:Barbiturates; D001965:Bromides; D007454:Iodides; D001241:Aspirin