The sticky, slimy goo plays an essential role in fighting off infections, shaping the gut microbiome and more.

Dear Dr James, “For the past couple of years I have been troubled by what I have been told is catarrh. My nose seems ...

You’ve felt it before—a persistent drip at the back of your throat that lingers like a guest who has overstayed their welcome ...

As people take to TikTok to rave about the lung-health benefits of mullein, a medical herbalist explains what it actually ...

Expectorants are a mucoactive class of drugs—those that clear mucus from the airways. They are commonly used for symptoms of short-term (acute) respiratory tract infections, like the common cold, ...

Mucus is invaluable ... Meanwhile, regular sips of cold water can counter the sensation of constantly having to clear the throat. The tendency for the symptoms to be worse at night is due ...

The decline in estrogen during menopause can trigger neurological inflammation (2), compounding the symptoms of long-term COVID, such as brain fog and persistent throat ... chronic cough and ...

Postnasal drip occurs when mucus in your nose drains down the back of your throat. This may happen because your body produces more mucus than it needs or you are not able to clear it as quickly as ...

As the name implies, cough is the signature symptom, and it can go on for weeks. Whooping cough can develop into a more ...