4-year-old baby coughing at night the specific treatment should be based on the cause of the cough to decide, can take oral medication, nebulized inhalation treatment or with the general treatment and other measures. 4-year-old baby cough at night may be caused by respiratory infections, clear viral infections can take antiviral oral solution, bacterial infections can use cefixime, amoxicillin, etc., mycoplasma or chlamydia infections take azithromycin and so on. If accompanied by wheezing, etc. can be under the guidance of the doctor hormone nebulizer treatment. Coughing at night may also be severe allergies, can take anti-allergy drugs such as loratadine and other drugs treatment. In the treatment period should also do a good job of personal care, the need for regular hospital checkups, but also to maintain indoor air circulation, but also to give the baby drink some warm water, eat a light diet, avoid contact with allergens. 4-year-old baby coughing at night may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.