Nasal obstruction is a blockage of the nasal cavity, which is the space inside the nose. It may occur due to excess mucus or structural changes to the nose. The nasal cavity divides into two passages, ...

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.

If your nose is persistently dripping clear mucus, it may be due to a viral infection or another health condition. Treating the underlying condition may help resolve your symptoms. Just about everyone ...

Mucus consists mainly of water and a gel-forming molecule called mucin. The body uses mucus to protect tissues, remove particles, and prevent infections. Mucus is essential for the functioning of many ...