What is a cough?
A cough is your body’s defensive reflex that functions to keep your airways clear of irritating or obstructing substances so that you can breathe effectively. A cough can be dry or it can be productive, meaning that you are coughing up mucus (also known as phlegm or sputum). A cough is one of the most common reasons why people visit their primary care doctor.
A cough is a symptom of a wide variety of mild to serious diseases, disorders and conditions. A cough can re