So the permanent solution would start by identifying the causative factor for the allergies and avoiding the exposure to the allergen. Some steps which may be of help are: - Do steam inhalation(plain steam) regularly - Drink water at an average of 3 liters per day - Avoid caffeinated and alcoholic beverages as they cause dehydration and will worsen your condition. - Use a humidifier in your room - Wiping the face regularly with a towel moist with hot water has also shown to help. - Keep a high level of personal hygiene - Maintain a clean environment and try to limit allergens in the house such as flowers which may spread pollen, reduce the dust which are present on fans & AC filters, reduce the mold in the house.