A stuffy nose is often caused by the flu, allergies, or even pregnancy — here's how to handle your congestion based on what's ...

Sinusitis refers to an inflammation of the mucous membrane lining the paranasal sinuses. It often follows the common cold and general infections. The symptoms of sinusitis are sneezing, a runny nose, ...

A woman in Texas died after contracting a rare brain-eating amoeba infection from using tap water to clear out her sinuses, the Centers for Disease Control and Prevention (CDC) announced. According to ...