7 doctors weighed in:
I have acid reflux and last night  i had it come up and this morning I am coughing up light black phlegm.  what could it be. ?
7 doctors weighed in

Dr. Francine Yep
Family Medicine
6 doctors agree
In brief: Talk with your doc
There are many possibilities, but a very concerning possibility is old blood from your gut like your stomach when it's irritated [gastritis] or an ulcer. Please talk with your doc.

In brief: Talk with your doc
There are many possibilities, but a very concerning possibility is old blood from your gut like your stomach when it's irritated [gastritis] or an ulcer. Please talk with your doc.
Dr. Francine Yep
Dr. Francine Yep
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