A persistent cough can be a sign of a more serious illness, which is why it's important to get it checked by a doctor.

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

Two of the most common causes of a post-infectious cough include postnasal drip, when mucus drains into your throat, or ...

“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 ...

Two of the most common causes of a post-infectious cough include postnasal drip, when mucus drains into your throat, or swollen airways related to the initial respiratory infection, Kohli and UCLA ...