Americans are weathering the worst flu season in years, as a number of other respiratory illnesses circulate too, such as COVID-19, RSV and the common cold. A telltale sign you’re getting sick is ...

Phlegm that appears bright red, reddish, or rust-colored is a little bit more concerning. "If the color is reddish or rusty, ...

When you’re struggling through a case of the common cold, the snot pouring from your nose seems endless. You go through countless tissues to mop up all the chunky, bright yellow boogers and thin, ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Your body naturally makes mucus to protect organs like lungs and eyes. But infections, allergies and pollution can boost mucus production. Know what it does, when to worry and how to ease discomfort.

A wet cough is one that produces mucus or phlegm. It’s also sometimes called a productive or chesty cough. An occasional cough is usually nothing to be worried about — it’s a normal reflex that helps ...

Mucus is more than just the sticky snot that comes from your nose. This protein-rich goop is found in many other organs, including the lungs and intestines, where it forms a protective layer that ...