Asthma Disease
Asthma disease causes swelling and inflammation in the respiratory tract that leads to the lungs. When asthma relapse, the airways become narrow and tight. So that air can’t pass and make it difficult to breathe. This is also called a asthma attack or exacerbations. Asthma can attack people in various ways. Some people only have asthma attacks during allergy season, or when they breathe cold air, or when they exercise.
Others have many bad attacks that makes them often go to the doctor. Even when you have rare asthma attack, you still have to take care your asthma. The swelling and inflammation in the airways may cause permanent changes in the respiratory tract and harm your lungs.