“…In seasonal AR, symptoms occur during exposure to seasonal allergens such as pollen, while in the case of perennial AR, symptoms may last for 2 hours a day and more than 9 months a year. Symptoms in episodic rhinitis occur due to exposure to allergens which are not normally present, including allergens from cats and other pets [2]. Symptoms of AR usually appear before the age of 20, and the bothersome nature of AR symptoms can severely effect daily activities including work performance [3] , examination performance [4] and psychosocial well being [5].…”