What does dark red-brown phlegm signify? - Quora

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

What does dark red-brown phlegm signify? - Quora

What does coughing up brown flecks in phlegm signify? - Quora

What might cause a brown discharge during the menstrual cycle (before/during/after menstruation)? - Quora

Brown Mucus/Phlegm: Symptoms, Causes, and Treatment

When you're sick, what does the color of your mucus indicate, if anything? - Quora

What does dark red-brown phlegm signify? - Quora

What are the reasons for coughing blood in mucus other than TB? - Quora

Is pus the same substance as snot? - Quora

What does it mean if you're coughing up hard green mucus? - Quora

I woke up this morning with a dark brown mucus upon spitting only the first time, and the rest is clear. Should I be worried? What causes that? - Quora