Persistent Cough: 6 Common Causes & What to Do
Updated in
12-09-2021
A persistent cough, which normally worsens at night, can have many different causes behind it. The most common cause is an allergic reaction to an irritant, but it can also be caused by asthma, reflux or a cardiac problem. Learn about the common causes of a persistent cough and what you can do to relieve it.