What does dark red-brown phlegm signify? - Quora

By A Mystery Man Writer

Answer (1 of 4): Visit a doctor. Difficult to say anything without examining you in real life. Microscopy of the coughed out material is also required. Duration of 2 days alone is enough to visit a doctor. Just to assure you, there are many relatively "controllable" diseases, it is not only cance

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