Inflammation of the membrane lining the facial sinuses caused by infection, usually spread from the nose. The maxillary and the ethmoidal sinuses are most commonly affected. Sinusitis may cause a feeling of fullness in the affected area, fever, a stuffy nose, and loss of the sense of smell. A common complication is the formation of pus in the affected sinuses, causing pain and nasal discharge. Treatment of sinusitis is is usually with antibiotics and a decongestant. Steam inhalations may also be helpful. If sinusitis persists despite treatment, surgical drainage of the affected sinuses may be performed.


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