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

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 ...

Mucus protects our body by trapping bacteria and particles. The color and texture of your mucus can give clues about your ...

This type of infection can cause bleeding in the airways, and this blood makes the mucus and phlegm appear dark or black. According to the American Cancer Society, there were about 234,580 new ...

The size ranges from about 3-10 grams (g). You might see a little blood mixed in with the mucus, which causes the mucus to look pink or streaked with blood. Seeing blood is normal, as long as it ...

This can cause your phlegm to contain traces of blood. Repeatedly coughing up phlegm often brings small amounts of blood into the mouth and onto the taste buds, leading to a distinct metallic ...

Mucus often changes colors when dead cells, germs and other substances, like blood or tobacco smoke, gets mixed with it, according to Cleveland Clinic. These colors include: Pink: Mucus can turn ...