Why do people cough?
Smoking :Smoking can cause a cough that doesn't go away. If you smoke, you need to stop. Talk to your doctor about using nicotine patches, gum, inhaler or nasal spray, or another method to stop smoking.
Allergies :Postnasal drip caused by allergies can make you cough. Postnasal drip is mucus that runs down your throat from the back of your nose. If you have postnasal drip from allergies, try to avoid the things you are allergic to, such as the following:
Pollen, mold, and freshly cut grass
Pets and certain plants
Cleaning agents and room deodorizers ...more