Coughing is one of the body's defense mechanisms of getting rid of phlegm, mucus, sputum, postnasal drip, or a foreign body.

You may commonly notice a wet or dry cough in kids. Coughing is a defensive response that clears the airways of irritants, ...

CASES of the human metapneumovirus, also known as HMPV, are reportedly surging in northern China, prompting fears of another ...

“A productive cough is a cough that produces phlegm,” Dr. Youssef says. But a non-productive cough is more dry, says John M.