Hello Since you know the diagnosis ( as you mentioned in the query )that you are having allergic rhinitis and montair lc ( montelukast+levoceterizine helps ) . As these both drugs are potent anti allergic ( antihistamine ). This is very difficult to cure completely ( allergic rhinitis ) but with these measures you will get some relief. The first step to symptom control in allergic rhinitis is identification & avoidance of trigger factors. . Elimination of the allergen results in diminished severity of the disease & decreased requirement for medications. Identifying specific casual allergens by lab testing may encourage to comply w/allergen avoidance instructions. These are most probable factors responsible for allergy: Dust , mite, pollen , pests ( cockroaches ) , fumes , sprays , smoking ( active & passive ), sudden increase or decrease in temperature . Use dehumidifier in room or air conditioning in bed room. Also use bed cover on quilt and mattresses . Steam inhalation also helps . Tepid water provide relief. Coffee ( hot ) also help. But , whenever you feel allergy , should tale montelukast+fexofendine once in the night . Consult one allergy specialist and get in all tests for allergy and take care about various avoidance. Good luck.