Mucus is usually clear when you're not sick. So it can be startling when your boogers are suddenly as yellow as the sun. Though it might give you the ick, your mucus isn't changing colors out of ...

Knowing how to spot symptoms of pneumonia early on can help you get the right […] "Yellow mucus is associated with the immune ...

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 ...

Nasal mucus helps trap airborne dirt, dust, and microbes that you breathe in and prevents them from reaching your lungs. Boogers can be yellow, green, or brown because of the particles that get ...

A productive cough can bring up mucus from the lungs. Mucus can be several different colors, such as white, green, and yellow, which can all indicate different issues, such as an infection or ...

After they’ve done their job and die, they’re flushed out of your body with your mucus, and in the process can dye it yellow. Yellow mucus doesn’t mean that you need antibiotics, but it ...