� by the National Athletic Trainers ’ Association, Inc www.journalofathletictraining.org National Athletic Trainers ’ Association

D’Alonzo, DO, contributed to conception and design; acquisition and analysis and interpretation of the data; and drafting, critical revision, and final approval of the article. Address correspondence to National Athletic Trainers ’ Association, Communications Department, 2952 Stemmons Freeway, Dallas, TX 75247. Objective: To present guidelines for the recognition, prophylaxis, and management of asthma that lead to improvement in the quality of care certified athletic trainers and other heath care providers can offer to athletes with asthma, especially exerciseinduced asthma. Background: Many athletes have difficulty breathing during or after athletic events and practices. Although a wide variety of conditions can predispose an athlete to breathing difficulties, the most common cause is undiagnosed or uncontrolled asthma. At least 15 % to 25 % of athletes may have signs and symptoms suggestive of asthma, including exercise-induced asthma