Treatment of acute sinusitis. Take these steps to reduce your risk of getting chronic sinusitis: 1. avoid upper respiratory infections. minimize contact with people who have colds. wash your hands frequently with soap and water, especially before meals. dua. manage your allergies. work with your doctor to keep symptoms under control. avoid exposure to things you're allergic to whenever possible. tiga. avoid cigarette smoke and polluted air. tobacco smoke and air contaminants can irritate and inflame your lungs and nasal passag Sinusitis racgp. symptoms suggestive of bacterial infection include discoloured discharge and severe localised pain, often with a unilateral predominance. Case discussion the most frequent causes of unilateral maxillary sinusitis are chronic rhinosinusitis, fungus ball, antrochoanal polyp, benign tumor, and malignancy. increased density within a sinus is due to either mineralization or high-density secretion. it can be seen in a mycetoma and other conditi...