Sinusitis
... Sinusitis is an inflammation, or swelling, of the tissue lining the sinuses. Normally, sinuses are filled with air. But when sinuses become blocked and filled with fluid, bacteria can grow and cause a...

Sinusitis and Sinus Headache
... What is a sinus headache? Headache and pain related to sinusitis are referred pains resulting from stimulation of the sensory nerves that supply the sinus cavities. Stimulation of these nerves occurs ...

Sinus Headaches
... The sinuses Sinuses are air-filled cavities (spaces) located in your forehead, cheekbones and behind the bridge of your nose. The sinuses produce a thin mucus that drains out of the channels of the no...

Sinusitis and Nasal Allergy
... Each of us has four paired cavities (spaces) in our head that communicate with the nose by narrow channels. These cavities (sinuses) produce a thin mucus that drains out of the channels of the nose. A...

The Medical Aspects of Ear Infections and Sinusitis
... What is sinusitis? Sinusitis is an infection of the air spaces of the head (sinus cavities). There are numerous symptoms patients complain of when talking of "sinus" problems, but often thes...

Is it a Cold or Sinusitis?
... What is an upper respiratory infection (common cold)? Each of us has four paired cavities (spaces) in our head that communicate with the nose by narrow channels. These cavities (sinuses) produce a thi...

Sinusitis
... You're coughing and sneezing and tired and achy. You think that you might be getting a cold. Later, when the medicines you've been taking to relieve the symptoms of the common cold are not wor...