Snot Color Chart: Yellow, Green, Brown, and More - Healthline
Apr 22, 2025 · If your nasal discharge is any color other than clear, it could be a sign of an infection. Learn more about what yellow, green, brown, black, and red snot mean.
Mucus: Phlegm, Causes, Colors & How To Get Rid Of It
Sep 18, 2024 · It lines your mucous membranes and helps trap and destroy or clear out germs and harmful particles. Mucus gets thick and sticky and might be white, yellow or green when you have an …
What the color of your snot means - OSF HealthCare
Mar 25, 2025 · Snot can come in nearly all shades of the rainbow. And each color of snot – also called mucus or boogers – tells you something different about what’s going on inside your body.
Does Yellow Mucus Mean You're Getting Better? Snot Colors ...
Feb 21, 2025 · When you have a respiratory illness, excess mucus is an under-appreciated line of defense from your immune system. But can you really tell what kind of illness you have or where you …
Snot colors and what they mean - Children's National
Jan 27, 2022 · Because mucus is the first line of defense against infections, snot can take on different colors depending on what’s going on in your body. Did you know that snot color can actually tell you …
What your snot can reveal about your health - BBC
Jul 9, 2025 · Snot plays a powerful role in protecting us from disease – and its colour alone can provide insights into what's going on in our bodies. In Ancient Greece, snot was thought to be one of the...
How Is Snot Formed? The Science of Nasal Mucus
Nov 21, 2025 · Explore the cellular engineering behind nasal mucus formation and how this fluid acts as your body’s essential respiratory defense system.