Home > Lung Disease > Symptoms of Asthma Get the Flash Player to see this player. Rate: (Click the stars to rate) Published on Oct 08, 2008 by JamesLi, Views: 4307 The main symptoms of asthma are shortness of breath, chest tightness, cough, and wheezing. These symptoms can be triggered by allergens, environmental dust, smoke, as well as cold air and exercise. The symptoms of asthma can also be brought on by an upper respiratory tract infection. It is important for people with asthma to recognize what triggers their asthma, so they can avoid these triggers. Dr. James Li, the Chairman of Allergic Diseases at the Mayo Clinic, discusses asthma symptoms.