What is Sinusitis?

Sinusitis refers to an inflammation of the mucous membrane lining the paranasal sinuses. It often follows the common cold, influenza and other general infections. Germs which are usually eliminated from the body sometimes find their way into these sinuses or chambers on either side of the nasal passage, leading to sinus trouble. The sinuses consist of cavities or chambers contained in the bones situated in the head and face region. The frontal, maxillary, ethmoid and sphenoid sinuses are the paranasal sinuses which communicate with the nose.

The frontal sinuses lie on the frontal bone directly above the eyes. The maxillary sinuses are located one on each side of the nose under the cheekbone. The ethmoid and sphenoid sinuses are situated behind the nose or either side of it. These air sinuses lighten the weight of the skull and give resonance to the voice.

The symptoms of sinusitis are excessive or constant sneezing, a running nose, blockage of one of the nostrils, headaches and pressure around the head, eyes and face. Sinus headaches are usually felt in the forehead and in the face just below the eyes. The patient may suffer from a low grade fever, lack of appetite, loss of sense of appetite and toothache. He feels miserable because of difficulty in breathing. The voice is also affected because of the blocked nose.

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