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Dark gray mucus
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Avatar universal
Dark gray mucus
HI, not sure if its bronchitis or not but, every year around this time near the cold weather I get some kind of infection im my lungs like clockwork. Well this time I noticed there was a dark gray color mixed in with my mucus that I coughed up(darker first cough of the morning). My doctor gave me Clarithromycin to treat it for 10 days. I aslo noticed that the phlem I cough up now tastes like a bitter medicine taste. Is that normal? Its also a bad cough with post nasel drip. Just wanted to know if anyone could please help me with this. Serious? or just Bronchitis? Also I do not smoke cigerettes,(I quite 10 years ago, smoked for 11 years)but smoke marijuana regularly. Any info would be great, thanx
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242588 tn?1224275300
Marijuana smoke can, just like conventional cigarettes, cause acute and chronic bronchitis, both infectious and non-infectious.  It can also cause chronic lung disease and worsen asthma.  Reported side effects of clarithromycin include unusual/unpleasant taste, so that’s nothing to worry about.

The dark gray color has no special significance.  It should lessen and clear, as the infection resolves.
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A related discussion, gray mucus was started.
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