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Acute and chronic sinusitis.

Preview Sinusitis is often easily recognized by the familiar complaints of paranasal pressure, tenderness, and headaches. What is more difficult is sorting out viral, bacterial, or fungal infection from allergy, anatomic obstruction, or underlying disease. Dr Ferguson outlines signs and symptoms that differentiate various forms of rhinosinusitis, discusses strengths and weaknesses of diagnostic measures, and summarizes appropriate therapeutic interventions.