A male asked:
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wake up and cough up light brownish phlegm, after that normal green. have a stuffy nose. why the brownish color in the morning?

1 doctor answer
Dr. Ziad Mattar
23 years experience Pulmonary Critical Care
Signs: It's a sign of old phlegm collection overnight. It can be chronic infection, lung disease like copd, sinus drainage, gerd...
Answered on Jan 25, 2020

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