I don't have any Symptom except that the colour of phlegm/mucus is light to dark grey in colour (looks like ash/smoke colour).it comes when I intentionally cough it out from bottom of throat.
It is present for more than a year or so.
I don't smoke cigarettes
Should this grey phlegm be cause for concern ?
Doctor. I am having Phlegm from past 6 months. But Upto 5 months. I dont feel such heavy phlegm as i am f
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