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post in: Health Date:25 Aug 2017, 21:30 views:3709
Exercise-induced asthma overview, exercise-induced asthma occurs when the airways narrow as a result of allergy exercise. The preferred term for this condition is exercise-induced bronchoconstriction (EIB exercise does not cause asthma, but is frequently an asthma trigger. A person may have asthma symptoms that become worse with exercise (more common) or may have only exercise-induced bronchoconstriction, without symptoms at other times.
If a person's asthma is triggered only during vigorous exercise (exercise-induced bronchoconstriction they are considered to have mild intermittent asthma. Separate topic reviews discuss asthma in children and adults.
(See "Patient education: Asthma treatment in adolescents and adults (Beyond the Basics and "Patient education: Asthma symptoms and diagnosis in children (Beyond the Basics. exercise-induced asthma symptoms, typical symptoms are shortness of breath, chest tightness, and cough.
Exercise-triggered symptoms typically develop 10 to 15 minutes after a brief episode of exercise or about 15 minutes into prolonged exercise. Symptoms typically resolve with rest over 30 to 60 minutes.
Exercise-induced symptoms occur more commonly and are more intense when the inhaled air is cold, probably due to changes in the airways that are triggered by the large amounts of relatively cool, dry air inhaled during vigorous activity. (See "Patient education: Trigger avoidance in asthma (Beyond the Basics.
eIB is different than simple shortness of breath related to exercise, which generally resolves within five minutes of stopping exercise. Exercise-induced asthma prevention, preventing exercise-induced bronchoconstriction usually includes use of an inhaled medication.
Several options are available. Rapid-acting bronchodilator Inhalation of a rapid-acting bronchodilator (eg, two puffs of albuterol or one inhaled formoterol capsule) may be taken approximately 10 minutes before exercise. (See "Patient education: Asthma inhaler specialty techniques in children (Beyond the Basics and "Patient education: Asthma inhaler techniques in adults (Beyond the Basics.
cromolyn Inhaled cromolyn (Intal) may be used before exercise, sometimes in combination with a rapid-acting inhaled bronchodilator. When taken via metered dose inhaler, the dose of cromolyn is two puffs, 15 to 20 minutes before exercising. However, in the United States, cromolyn is only available as a nebulizer solution.
Cromolyn works by decreasing the activity of allergy cells. This medicine has no side effects.