How does darling cough become pneumonia to do

The baby has pneumonia due to long-term cough. Pay attention to keep warm at ordinary times to prevent the baby from catching cold. Feed the baby more water to humidify the airway and relieve cough and expectoration. Do drug sensitivity test and use sensitive antibiotics for anti-inflammatory treatment. Ambroxol solution and normal saline can be used for aerosol inhalation to relieve cough.