Five months baby cough has phlegm, has been whir sound how to return a responsibility

Five months baby cough sputum, there has been a whir sound may be trachea, lung and other lower respiratory tract system inflammation caused. Baby body resistance after birth is relatively low, family members did not pay attention to the baby's warmth, resulting in baby infected by pathogenic bacteria, will cause this symptom. At present, you can feed your baby more water, dilute sputum, promote sputum cough.