9-year-old child cough at night how to do

Nine-year-old children cough at night should drink more warm water, ensure that the throat is moist, and control the room temperature at about 27 degrees, reduce the number of words; but consider may be caused by bronchitis, should go to the regular hospital children respiratory department to do blood routine, bronchoscopy, if diagnosed as bronchitis, can take antispasmodic cough, expectorant drug treatment.