Yellow might mean staying mellow, but other colors have different meanings. According to Fisher, inflammation can create brown, black and bloody red mucus. Pinkish or red tones are likely blood ...

This cold and flu season, you may be looking for clues you're getting better anywhere you can find them, even in the color of your snot.

Nasal discharge that is yellow, green or brown can be a sign of ... While the color of the mucus does not distinguish between a viral or a bacterial infection, several other signs make it more ...

Phlegm might seem like an everyday nuisance, but it can serve as a critical indicator of your body’s respiratory and systemic ...

Julia Calderone wrote an earlier version of this post.

A lot of people think yellow or green snot means you need an antibiotic. That is not true. Laura Martin, MD, MPH If it's a viral infection causing the yellow or green snot, yellow in particular is ...

Yellow mucus means your body's immune system has been ... tiny blood vessels that line them have burst and leaked blood. Brown: This may be a sign of a more severe infection like bronchitis ...