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 ...
“If your cough is not getting better after a week, it is a good idea to check in with your doctor,” says Eric Ascher, D.O., family medicine physician at Northwell Lenox Hill Hospital. But if your ...