Allergies and the very early stages of a viral infection can cause an overproduction of clear mucus. This can also happen when your body reacts to irritants or pathogens. White mucus is often a ...

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 ...

Allergies and the very early stages of a viral infection can cause an overproduction of clear mucus. This can also happen when your body reacts to irritants or pathogens. White mucus is often a ...