Acute sinusitis is inflammation of mucosa lining of one or more paranasal sinuses. In children, most cases begin as a viral infection that extends from nasal mucosa (rhinitis) onto the mucosal lining ...

There are 4 sets of sinuses ordinarily present in humans, but congenital absence or hypoplasia of one or more sinus cavities is not uncommon. The maxillary and ethmoidal sinuses form during the third ...

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 ...

If you’ve ever had a sinus infection, you know that it can be miserable: facial pain and pressure, headaches and post-nasal drip are just a few of the excruciating symptoms. Now imagine that this ...

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 ...