Expectorants are medications that help thin and loosen mucus, making it easier to cough it out of your lungs, airways, or throat. When you have a nagging cough or mucus buildup that just won't go ...

A cough is a reflex action that clears your airway of irritants and mucus. There are two types of cough: productive and nonproductive. A productive cough produces phlegm or mucus, clearing it from ...