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 ...

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 ...

“The potential causes of yellow mucus include the common cold or a bacterial infection such as sinusitis (a sinus infection) or bronchitis (a respiratory infection).” According to Connor, green mucus ...