Asthma is caused by an airway blockage (1) thickened the wall of the airway, which is caused by the inflammation and edema triggered by histamine ;(2) blockage of the airway by excessive mucus secretion is thick; and (3) hiperresponsivitas airway, marked by great small airway constricting consequence spasme smooth muscle induced by a trigger in the airway wall. Asthma is one of the problems in …