Phlegm is naturally clear. So, if your phlegm is a different color, such as yellow or green, you may have a viral or bacterial infection. Brown, red, or black phlegm may be a sign of a more serious ...

Phlegm color can indicate underlying health issues. Clear or white may signal allergies or viral infections. Yellow or green suggests bacterial infection, needing prompt antibiotic treatment. Red ...

Admit it: After you blow your nose or aggressively clear your throat, you might steal a glimpse at what your body just discharged — maybe not every time, but every once in a while. Just a quick peek.

Drinking plenty of fluids can help decrease the thickness of phlegm and make it easier to remove. Bloody, brown, white, yellow, or green phlegm may be a sign of an underlying condition or infection.

It’s that time of year when many people have runny noses and are “a bit snotty.” Snot can be many colors – clear, yellow, green, white, red, brown, or black, as per the report by The Sun. Watching its ...

Snot is made up of water, proteins, antibodies, and dissolved salts, explains Jonathan Parsons, M.D., a professor in the Department of Internal Medicine at The Ohio State University Wexner Medical ...

According to recent research presented at the European Respiratory Society International Congress in Milan, Italy, the colour of phlegm from people suffering from the lung condition bronchiectasis may ...

Mucus is a normal part of the lungs. But smoking and other issues can cause too much mucus to collect there. (Photo Credit: iStock/Getty Images) Your body makes about a liter (approximately 1 quart) ...