Clinical features of adult and pediatric anaphylaxis in Taiwan.

Background: Most epidemiologic studies of anaphylaxis have been on Western populations, leaving the clinical and demographic pattern of this acute allergic condition in Asia unclear.

Objective: To investigate the clinical characteristics of patients with anaphylaxis in Chang Gung Memorial Hospital, the largest medical center in Taiwan.

Methods: We conducted a retrospective analysis of 201 patients who visited the emergency department or were admitted to the hospital for anaphylaxis from 2000 to 2010.