A member asked:

Why does my friend's boyfriend keep coughing (a month or more)? nonsmoker.

A doctor has provided 1 answer

Many causes: There are many reasons for a chronic cough. A cough going on this long should be investigated. It may be due to allergies, environmental exposures, medications or infection among other causes. He should have an evaluation by a physician to determine the cause.

Answered 9/28/2016

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