What Is Exercise-Induced Asthma? Strenuous exercise or workout triggers a condition in which airways in the lungs become narrow and cause wheezing, coughing, shortness of breath, and other symptoms during or after the exercise. This condition is called exercise-induced asthma. Exercise is good for health and it helps in building a stronger immune system but some people with asthma have asthma-attack during exercise. This asthma episode can set back someone with asthma from doing exercise but taking proper measures during the workout can aid in preventing and managing its symptoms. What Causes Exercise-Induced Asthma? During the exercise, the body demands more oxygen and so as to fulfil this requirement you breathe faster and deeper. When the heart starts beating faster and the body needs more oxygen, you inhale through the month, and this causes the air to be dryer and cooler than breathing through the nose. Airway narrowing in the lungs is triggered by dry and/or cold air so the exe