Asthma is a condition characterized by difficulty breathing due to congestion in the bronchus. It can be caused by many triggers including pollution, smoking, allergies, stress, and certain foods. Symptoms include breathlessness, coughing, wheezing, and tightness in the chest. In severe cases it can even lead to death. Ayurvedic treatments for asthma include breathing exercises, avoiding triggers, herbal teas, and formulas containing multiple herbs.