Probably nothing: In the natural course of keeping your lungs clear you will occasionally cough. This does not represent disease. It's simply a natural process. If you are coughing up thicker sputum, or various colors it can often be a sign of an illness, usually just a cold, or that you smoke.
Answered 10/4/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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