Coughing is a means by which the body throws out or gets rid of substances that are irritating the air passages in their way. Cough can be classified into two types - productive cough, which produces phlegm from the lungs and the other is nonproductive cough, which is dry and doesn't produce any phlegm from the lungs. Cough can be acute lasting for a few days to chronic, lasting for a few weeks. It is not restricted to any particular age group and can affect everyone. Coughing is accompanied with a typical noise from the act of exhaling air suddenly in order to clear the phlegm or the blocking. Cough can be treated at home. Read onto know the how to treat cough using the natural ways.