“A productive cough is a cough that produces phlegm,” Dr. Youssef says. But a non-productive cough is more dry, says John M. Coleman III, M.D., a pulmonary and critical care specialist with ...

“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 ...