Sinusitis Learning Center
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Sinusitis refers to inflammation of the sinuses that occurs with a viral, bacterial, or fungal infection. See also: Chronic sinusitis
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The nasal septum is a thin structure, separating the two sides of the nose. If it is not in the middle of the nose, then it is deviated.
A sinus infection causes the sinuses and nasal passages to become inflamed. Facial swelling is a common sign of this type of infection.