Asthma is a chronic respiratory condition characterized by inflammation and narrowing of the airways, which results in recurring episodes of wheezing, breathlessness, chest tightness, and coughing. It is a common condition that affects the lungs and can vary in severity from person to person.
During an asthma episode or "asthma attack," the muscles surrounding the airways tighten, the lining of the airways becomes inflamed, and excessive mucus is produced. These factors contribute to the narrowing of the airways, making it difficult for air to pass through.
The symptoms of asthma can vary in frequency and severity among individuals. Here are some common symptoms: