1 Aurora, CO
The authors conclude that: 1) atopy is common in people who experience anaphylaxis, regardless of its origin; 2) crustaceans and NSAIDs are the most common food and medication groups, respectively, thought to be causes of anaphylaxis; 3) causative agents can be identified in two thirds of the subjects, and recurrent attacks are the rule; and 4) subjects with idiopathic anaphylaxis are more likely to carry epinephrine than those with identifiable causes.