A member asked:

A friend is coughing up black balls in his flem and been sick on a night not every night but just wanted to no if it could be out serious?

A doctor has provided 1 answer
Dr. Tony Ho answered

Specializes in Internal Medicine

Yes: Black balls in phlegm are never a good sign; the most likely thing i can think of would be old blood. Advise your friend to get checked out as soon as possible by a doctor.

Answered 10/4/2016

5.4k views

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