Coughing up thick, green mucus may mean a bacterial or, less often, viral infection, but that's not always true. You constantly breathe in bacteria, some of which are harmless, through your nasal ...

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 ...

Medically reviewed by Jane Kim, MDIf you're wondering how to get rid of phlegm in your chest and throat, you can try drinking ...