The symptoms of coughing in a newborn baby can be treated in different ways depending on the situation: 1. If the child has only a little cough and has a cough once in a while. Usually, medication is not needed, and the coughing symptoms will be relieved gradually by drinking warm water regularly and keeping the room at a suitable temperature and humidity. It may be caused by inflammation, so under the guidance of the doctor, you need to take erythromycin granules or cephalexin granules for anti-inflammatory treatment, and also need to take pediatric cough and phlegm granules to treat cough symptoms. Since the organs of newborns are not well developed, parents are not advised to give their children medicines to avoid adverse reactions.