Any time
Open links in new tab
- Fighting an infectionYellow nasal mucus indicates that the body is fighting an infection. The yellow color comes from the cells — white blood cells, for example — rushing to kill the offending germs. Once the cells have done their work, they’re discarded in your snot, giving it a dark yellowish tinge.www.healthline.com/health/snot-color
- People also ask
Mucus: Phlegm, Causes, Colors & How To Get Rid Of It
Sep 20, 2024 · Mucus is a clear, slippery, gel-like substance that’s part of your immune system. It can change color and consistency when you have an infection, especially in your respiratory or sinus tract. Learn about the functions, anatomy …