Baby drooling and coughing may be caused by indigestion, but also may be triggered by colds, pharyngitis and other factors. 1. Indigestion, if the baby has indigestion, too much food in the stomach, reflux after stimulation of the throat, there may be a baby drooling and coughing symptoms. 2. Colds, some babies may have a cough, runny nose, nasal congestion after a cold, when stimulated by foreign objects may appear baby drooling always coughing symptoms. 3. pharyngitis, part of the baby pharyngitis, due to the increase in throat secretions gathered together may irritate the throat, so this symptom will appear. Baby drooling always coughing 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, under the guidance of the doctor to give targeted treatment or treatment.