Cough is a way of body's reaction to different types of irritants that lead to an inflammation of throat, larynx, bronchial tubes, lungs, etc. The causes of dry cough can be innumerable, from allergies, asthma, to infections and exposures to chemicals. Dry cough induces an urge to cough and when you do, you end up coughing more. During such times, drinking a glass of water is the best remedy. Besides, there are a few remedies that can relieve you from incessant coughing.