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

If your mucus is gray or black... …you likely inhaled dark-colored particles, like smoke from a fire or heavy exhaust.

When a metallic taste is paired with coughing, you may have an upper respiratory infection like a cold. This can cause your phlegm to contain traces of blood. Repeatedly coughing up phlegm often ...

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 ...

Coughing up white mucus can mean you have congestion with a respiratory infection such as bronchitis, or it can be a symptom ...

A dry, tickling cough differs significantly from one producing ... clues about underlying health conditions. Clear or white mucus typically suggests allergies or viral infections, while yellow ...

When a person has black or dark-colored mucus, they may have inhaled potentially harmful pollutants. Coughing up black mucus may also be due to an underlying infection or condition. Mucus serves ...

Whenever the cold and flu season comes along, it is common to hear those around you – at home or at the workplace – struggling with the discomforts of a runny nose, chesty cough, and the ...