Medically reviewed by Benjamin F. Asher, MD A sinus infection is inflammation of the sinuses, which are the air spaces around your nose and eyes, cheeks, and forehead. It is also called sinusitis.

If you’re among the 37 million Americans who suffer from sinus problems, you know just how miserable the symptoms can make you feel. The congestion. The facial pain. The postnasal drip-drip-drip.

If you feel pain and pressure in your sinuses, that's not necessarily because there's anything wrong with them. In fact, your pain may be a sign of an entirely different condition: migraine.

Sinus infections and headaches can be triggered by viral or bacterial infections, allergies, polyps in your nose, a deviated septum, or dental problems. Secondhand smoke or even changes in air ...

IShowSpeed first started showing symptoms of his ailment with excessive swelling in his right eye. The YouTube streamer would quickly learn that the condition was related to a dangerous sinus ...