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Chronic sinusitis is an illness characterized by prolonged infection and inflammation of the lining of the nose and the sinuses. Patients with chronic sinusitis experience a variety of symptoms, including facial pressure, nasal congestion, discolored nasal discharge, and "post-nasal drip." A diagnosis of sinusitis should be made only after careful evaluation by your doctor. For the majority of patients with sinusitis, infections can be successfully treated with medications. For a small percentage of patients, however, infections recur or persist even after long courses of medication. Such patients often benefit from surgery. After reviewing your medical history and X-ray studies, your ear, nose, and throat specialist can determine if you are a surgical candidate.