immune disorders
Exercise Induced Allergic Reactions
Introduction
Exercise-induced allergic reactions occur during or after exercise. Exercise can trigger or worsen asthma or, rarely, a severe allergic (anaphylactic) reaction. Doctors usually base the diagnosis on symptoms and their relationship to exercise. Drugs used to treat asthma can usually prevent symptoms from developing during exercise, but becoming more physically fit and gradually increasing the intensity and duration of exercise also helps. (See also Overview of Allergic Reactions .) Exercise can trigger the following: Asthma : Anaphylactic Reactions : Typically, symptoms triggered by exercise—asthma or an anaphylactic reaction—occur after 5 to 10 minutes of vigorous exercise. Sometimes symptoms begin after exercise has stopped. 