Bronchitis is a disease related with respiratory system in which there is swelling or inflammation of the bronchial tubes (bronchi), the air passage between lungs, nose and mouth. People suffering from bronchitis have a reduced ability in breathing as due to swelling the respiratory track gets smaller than normal. More precisely bronchitis is a condition in which the lining of the bronchial tubes become inflamed. Chronic bronchitis is a result of continuous irritation and damage of the air way tissues, respiratory organs and lungs. Smoking and long term exposure to air pollution are considered to be the main causes of chronic bronchitis. Bronchitis and chronic bronchitis are air borne diseases and has tendency to spread easily. Although it is a short term disease and can be resolves within few days, a proper diagnosis and medication is suggested from the health experts.