The size and shape of the frontal sinus can vary from person to person. These spaces fill up with mucus, which then drain into the nose. The draining process can be hindered by blockages. If mucus ...

Between nasal congestion and discharge, facial pain, fullness, pressure, and headaches, sinus pain can make you feel pretty lousy. Sinus pain and congestion are usually caused by seasonal allergies or ...

A few X-ray measurements can help determine whether chronic problems with the hard-to-reach frontal sinuses can be corrected with surgery, according to a new study. "The frontal sinus is behind the ...