Asthma is a chronic disease of the lungs where inflammation and swelling causes narrowing of the airways. This narrowing causes difficulty breathing, tightness in the chest, coughing, and frequently a wheezing sound.
Many things can trigger a flare, including:
Although intermittent, many patients require constant treatment in order to prevent flares. In severe cases, oral corticosteroids may be used which can impact the rest of the body, including the skin.