Runny Nose? Check the Color of Your Snot, Doctors Say. Here's What to Look For, and What it Could Tell You Clear, yellow, green? Each color holds different information, doctors say.

As the seasons are changing, a snot test could help those experiencing unpleasant symptoms determine if they are dealing with allergies or a common cold, NBC 5’s Lauren Petty reports.

This cold and flu season, you may be looking for clues you're getting better anywhere you can find them, even in the color of your snot.

(NBC CHICAGO)- Ahh-choo! It's the height of spring allergy season, and you just sneezed. But before you throw away that tissue, check the color of your snot first, doctors say.