Bronchial Asthma Is A Widespread Respiratory Illness. Definition Bronchial Asthma is a lung disease that can cause respiratory problems. Bronchial asthma can cause hyperactive, thin airways. Bronchial attacks are marked by wheezing and other symptoms. Other unwanted effects include chest tightness, coughing, and fatigue. Bronchial asthma is caused by the lungs becoming more sensitive to...