Here, doctors break down the meaning of your mucus color (what comes out when you blow your nose or cough up ... You may not ...

This includes a sore throat, a runny nose, fever ... Thick, persistent green mucus with fever—may indicate a bacterial infection requiring medical attention. Brown or bloody mucus—could ...

“Any time there is inflammation within the nose ... brown mucus is not an immediate cause for alarm. Even dark yellow snot does not usually warrant a trip to the doctor. “In general, darker ...