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

Whooping cough, or pertussis, is a highly contagious respiratory infection caused by bacteria called Bordetella pertussis.

The Food and Drug Administration is ordering food and drug makers to remove a dye called Red 3 from the products U.S.

Women are turning to Mucinex in hopes of boosting fertility, but experts warn against this unproven method. Learn why doctors ...