A member asked:

Why do i cough up phlegm once i start running?

3 doctors weighed in across 2 answers

Cough: This can be from post nasal drip or asthma and needs to be evaluated, you should see an allergist.

Answered 3/27/2019

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Possible asthma: Possible exercise induced asthma causing symptoms. Additionally the mucous may reflect inflammation occasioned by running.

Answered 3/7/2014

4.7k views

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How to control phlegm whilst running?

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