hi doctors i am palwinder. i am suffering with allergic rhinitis last 15 years. but now problem is increasing day by day.regular fever, sneezing, pain upper side forehead eyes, post nasal drips, coughing, fatique. now i am regularly usng anti histamine tablet montilokast lc and nasal spray. some time also steroid tablet of dexamethasone 0.5 but no relief, what i should do. CT scan has done on sep 2012 reveal paranasal sinusitis and thickness