Post-nasal dripis another common cause of adry coughboth in children and adults. However, excessive mucus draining into the respiratory tract and restrained coughing may result in a productive cough as mucus accumulates in the lower respiratory tract. In infectious causes like sinusitis, the lower ...
Dry cough, non productive cough, in which no mucus is produced or coughed up. Wet cough, or a productive cough, is when mucus is present, either heard in the lungs or airways (chest) or coughed up into the throat or mouth. Causes of a Persistent Cough ...