It is completely understandable to explore non-surgical options first. Your symptoms are common in chronic sinusitis or nasal polyps. Effective medical alternatives to surgery include daily saline nasal rinses to clear congestion and intranasal corticosteroid sprays (such as fluticasone or budesonide) to reduce swelling. If allergies contribute to your symptoms, oral antihistamines (like cetirizine) or leukotriene receptor antagonists (such as montelukast) can help. For temporary, severe swelling, a short course of oral corticosteroids might be considered. I highly recommend discussing these medical therapies with your ENT specialist to see if a conservative trial is safe and appropriate for your specific condition.