Jun 19, 2023 · 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.

Jan 14, 2021 · Snot color can tell you many things, including whether you have allergies, a nosebleed, a cold or a sinus infection. However, changing snot color is almost a bigger …

Jan 27, 2022 · Red or pink snot usually comes from blood and indicates your nasal passage is dry or irritated or that you’ve had some sort of nasal trauma. This can happen if you’ve been hit on …

Sep 20, 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 …

Feb 20, 2025 · Yellow mucus means your body's immune system has been activated, which can change the color or consistency of your mucus, according to the Cleveland Clinic. Initially, …

Jun 2, 2022 · Your snot is nothing to sniff at. Nasal mucus plays an important role in your body and overall health. Here’s why - and what different snot colors could mean.

Mar 12, 2025 · Your sphenoid sinuses are the paranasal sinuses within your skull behind the upper part of your nasal cavity. They contain cells that make mucus that drains into your nasal …

Aug 11, 2017 · Alongside a change in the color of your snot, you'll experience nasal obstruction — a "stuffy nose". A stuffy nose is one of the most common health complaints out there, with …

Mar 25, 2025 · Clear snot usually signals allergies or some kind of environmental factor that is triggering your nose to start running, such as inhaling dust or allergens. Clear snot is nothing …

Jul 21, 2023 · Have you ever wondered why your nasal discharge changes color? That seemingly gross, sticky substance called snot actually plays an important role in protecting our …