One and a half years old baby cough, no sputum during the day, night sputum, also runny nose how to

This condition is mainly caused by an infection of the upper respiratory tract. The symptoms are more severe at night than during the day because the body is at rest. Antibiotics and anti-inflammatory drugs are needed to treat this condition. If the symptoms of sputum are severe, aerosol inhalation can be used to treat it.