Your body produces mucus naturally to protect your respiratory system, and under normal circumstances, this protective fluid remains clear and relatively thin. However, when mucus suddenly changes to ...

DEAR MAYO CLINIC: I have had ongoing nasal congestion and mucus for the past several months. I thought it was allergies, but my doctor says I likely have acute sinusitis brought on by allergic ...

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 ...

Winter's arrival often triggers sinus discomfort due to dry indoor heating, temperature shifts, and closed environments.

If you’ve ever gone to the bathroom and noticed mucus in your urine, you may worry something is wrong. But don’t rush to push the panic button just yet. While a bit of discharge isn't usually cause ...

It’s never any fun feeling under the weather, but when a common cold is paired with excess phlegm, it makes matters even worse. This can lead to irritating symptoms, such as coughing, a sore throat, ...

Cystic fibrosis is a genetic disease that causes a buildup of mucus in organs throughout your body. Stool may indicate how your gastrointestinal tract is functioning and whether or not treatment is ...

On Wednesday, providers from Highland Hospital made another donation to support global efforts to treat cystic fibrosis. Cystic fibrosis is a genetic condition that causes ...