How does the darling throat of 5 months have phlegm to do

Five months old baby throat sputum may be caused by many diseases, including pneumonia, influenza, bronchitis, etc. Parents should give the baby drink more water to relieve throat edema, dilute sputum, and promote its discharge. Also can follow the doctor to give the baby to take Qingfei Huatan Granules, or go to the hospital for aerosol treatment.