“Nasal mucus that would necessitate a visit to your doctor may include frequent nosebleeds, nasal congestion that doesn’t go away, thick nasal mucus associated with facial pain, pressure, and smell ...

Black mucus can signal a range of serious health issues, including environmental exposure and severe conditions like lung ...

Apparently post-Lolla black snot is likely to be mucus-trapped soot from stage fireworks, according to Dr. David Zich, an emergency medicine physician for Northwestern Medicine.

Black mucus is the least common out of all the colours mentioned above, but if you have it, always chat with your physician. Advertisement. MoMo Productions via Getty Images.

Black Yes, it’s true — you may come across black boogers. “Black can be seen due to the presence of a fungal infection or in individuals who smoke or inhale smoke,” Kadaj said.

It’s that time of year again, when everyone’s fighting a cold and blowing their nose. Maybe you’ve found yourself having sinus struggles, or you’ve noticed your boogers don’t look ...