Dry Cough Causes of a Persistent, Constant Non-Productive Cough
A dry cough is a cough where no mucus or very little mucus is expectorated (coughed up). This is known as a non-productive cough. Most conditions that may cause a cough will present as a dry cough in the early stages. As the disease progresses, the productive nature of the cough will become evident. Coughing is a result of >> Read More ...