How does 3-year-old darling cough repeatedly do

Three-year-old baby repeatedly cough, parents can let the baby drink more warm boiled water, conducive to dilute sputum, relieve cough symptoms, but also can gently pat the baby's back from bottom to top to promote sputum discharge; if it is caused by virus infection cough, it is recommended to follow the doctor's advice to use antiviral drug treatment.