This is a double blind study, for Assessing the effect of Zofa (Hyssop)syrup and placebo on the treatment of allergic rhinitis. Qualified patients that fulfilled for inclusion criteria such as aged 18-65, not administered usual medicine in last two weeks, not lactation and pregnant, not having excluded criteria are entered and the patients with severe nose septal deviation, recent trauma to nose, lactating, pregnant females are excluded.The patients affected with allergic rhinitis were conducted to the study. The sample size in each group is 33 (case and control)The dose of zofa (Nepeta) syrup and placebo syrup is three times per day and each time 10cc. The patients diagnosed , confirmed by history and clinical examination and referred for allergic rhinitis disease by ENT specialist . The patients are randomly divided to two groups of placebo and intervention. Before entering in to study the required information is taken by the project agent, after receiving a written signed consent form and demographic questionnaire, standard questionnaire of ARIA, valid and reliable Persian questionnaire of allergic rhinitis are filled before and four weeks after prevention, the symptoms include : Sneezing, nasal obstruction, rhinorrhea, nose itching, eye symptoms (Redness, itching, watery), VAS (Visual analogue scale) are checked, then follow the necessary matters. At the end of the relevant information is extracted and analysed.