Hello Please note down these things about allergic rhinitis: Inflammation of the nasal membranes with major symptoms and sings : -Nasal itching -watery rhinorrhea -nasal obstruction -sneezing -post nasal discharge Others may be : Headache ( as sometimes in your case) impaired smell morning cough conjuctival symptoms , eye pruritus As in most of patient these symptoms present. Reason is clearly due to allergy , allergens may be ; Pollen, mold, fine dusting powder, sudden change of temperature, dust , hay , fodder, smoking, pests ( cockroaches ). If possible avoid these predisposing factors. Measures: Use allergen-impermeable covers for mattresses & pillows wash sheets and blankets in hot water , every week. vacuum-clean beds every week clean furniture in the bedroom w/damp rags. use airconditioning . Don t allow animals in house. When such patient visit my clinic I advise them to take montelukast + levoceterizine . But if breathlessness present I advise my patient to take montelukast+ bambuterol tablet once or twice in day and this provide complete relief. Whenever necessary take these tablets , and stop once relief . Recurs , take again . Hot coffee and steam inhalation also provide relief in such cases. Good luck.