Sinuses are interconnected, hollow spaces located in the skull that connect to the nasal passages. They help filter the air we breathe and act as another level of immune defense. Sinuses are lined ...

A sinus infection is inflammation of the sinuses, which are the air spaces around your nose, eyes, cheeks, and forehead. It is also called sinusitis. When the sinuses are inflamed, drainage is blocked ...

Your nose is runny and stuffy and your throat is sore. Could it be the start of a cold or a sinus infection? Or is it allergies? The symptoms of these conditions each overlap somewhat, but health ...

For some people, the classic symptoms of a sinus infection, including nasal congestion and discharge, are also accompanied by a dull ache or feeling of pressure in the head and face. This is often ...