most of the patients were in 3rd to 4th decades of life.the guidelines of British Thoracic Society for the management of severe acute asthma where they advocate nebulized salbutamol along with corticosteroid as the treatment of choice.This shows that nebulized salbutamol is the first line drug for severe acute asthma.Bronchial asthma occurs at all ages but predominantly in early life ,Male: Female ratio is 1.7:1, in childhood is 2:1, all patients presented with dyspnea, wheeze and cough sputum was in 60% of patients.Cough and sputum don't necessarily indicate respiratory infection rather these result from inflammation in night and early morning aggravation of symptoms was in 73%.also associate with the morning dipping is a sign for asthma About 33% patients complained of tightness or discomfort in the chest.discomfort might be produced by fatigue of the respiratory muscles.