Exerciseinduced anaphylaxis

Exercise-induced anaphylaxis is an increasingly recognised problem over the past decade or so.29,31 This may be due to the increased participation in prolonged exercise such as jogging and marathons by the general public. Reactions are usually associated with specific foods, and the onset of anaphylaxis is associated with exercise within two to four hours of eating the food.

It can take considerable detective work on behalf of the patient and the doctor to make the association with particular foods. If a specific food is involved these individuals usually have positive skin prick tests. Foods that are particularly associated are fish, shellfish and wheat. The simple precaution of not eating such a food when exercise is anticipated is usually adequate, although epinephrine may need to be available for these individuals. Avoidance of exercise during the pollen season is also effective.31

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