Asthma is a chronic lung disease that affects people of all ages. It causes episodes of wheezing, coughing, shortness of breath, and chest tightness. Although there is no cure, most people with asthma are able to manage the disease with medications and behavioral changes. Researchers also are studying various complementary health approaches for asthma relief. This fact sheet provides basic information about asthma, summarizes scientific research on the effectiveness and safety of complementary health approaches for asthma, and suggests sources for additional information. Key Points Conventional medical treatments are very effective for managing asthma symptoms. See your health care provider to discuss a comprehensive medical treatment plan for your asthma. There is not enough evidence to support the use of any complementary health approaches for the relief of asthma. About Asthma In asthma, the airways that carry air into and out of the lungs become irritated, inflamed, and narrowed. The …