Dr. Lee says this can block the natural flow of saliva, causing facial swelling and pressure. The problem is often linked to dehydration or too much calcium in your system. You have a sinus infection.

Many people who feel like they have a sinus headache are actually diagnosed with migraine, experts say. Here's how to tell ...

To prove it false, he published last week a popular handbook on sinus diseases (Sinus; Knopf; $2). Bony Caverns. The nasal sinuses are four pairs of hollow cavities in the bones of the lower ...

What Is Nasal Congestion and Sinus Pressure? It's one of life's miseries: Your nose is stuffed and your face aches ... your nasal passages get inflamed, swollen, and irritated.