Hello. Thank you for asking at HCM. I went through your history. I would like to address your queries one by one: 1. If your tablet (Infinair5/10) controls your symptoms adequately, you can continue taking at alternate days for long time. However, if it does not adequately control your symptoms, I would suggest you to take it daily. 2. Infinair has 2 contents: Levocetirizine 5 mg & Montelukast 10 mg. Both are considered generally safe for long term use. Common side-effects of Levocetirizine are sedation (most common), feeling drowsy, poor concentration, etc. Common side-effects of montelukast are headache, nausea, etc. If you are not feeling any side effects of above, you can continue taking it for long time. 3. If you are not having any side-effects, I would suggest you to take the same medicine. If you are experiencing sedation, drowsiness, etc, I would suggest you a combination of fexofenadine and montelukast which cause less sedation. 4. For non-medical treatment, I would suggest you following: a. Avoidance of dust/smoke/air pollution as much as possible. For example, using face masks while driving in polluted areas, using personal protective device while working if work involves exposure to dust, etc b. Ensure adequate ventilation and sunlight exposure in your rooms to lessen concentration of allergy-causing substances c. Please do not smoke if you do d. A nutritive diet rich in vitamins, minerals and anti-oxidants 5. For cure of allergic rhinitis, I would suggest you to consult an Allergist-Immunologist who will suggest you allergy skin testing/blood testing. Depending upon its results, he may advise you specific allergen immunotherapy which basically works on your immune system to change allergy symptoms. Hope my answer will be helpful to you. Wish you the best of the health. Regards.