Coughing is a natural process that is important to keep the throat and the airway is always clean. On a productive cough or cough with phlegm a person suffering from such complaints may experience discomfort due to phlegm in the respiratory ropes and breathing difficulty that often leads to stress. Most people always assume cough is a mild disease that can heal itself. Nevertheless, it is not impossible cough that lasts longer than a very disturbing and annoying and can even be transmitted, can also cause secondary infection of the respiratory tract.
