The aim of this study was to investigate the effect of ginger and passion flower on the pain of patients with primary dysmenorrhea. Design: Randomized, one blind clinical trial, one-stage trial .study population: Girls with primary dysmenorrhea referring to Khomein health centers after examination by The gynecologist . The main criteria for entering the study are those with moderate and severe dysmenorrhea, single girls aged between 18 and 30 years, with regular menstrual cycles. The main outcomes of the study included contraceptive pills, herbal and allergy susceptibility, this study included 120 females with primary dysmenorrhea, selected by simple sampling and randomly assigned into three groups of 40, The randomization was performed in three groups (intervention group 1 and 2, and control group). In the intervention group 1 ginger capsule (500 mg ginger root powder), Golgardo Company manufactured in Iran and under the brand name Zinetuma three times a day at the beginning of the menstrual cycle for three days and in intervention group 2, drop of passion flower Brandy (Pas pp)
brand made by Iran Daruk Company (20 drops in the morning, 40 drops in the evening) and in the third group (control group) one of the common treatments for the primary dysmenorrhea, ie mefenamic acid (250mg) The ponstan brand of Razak Company is given 4 times every 6 hours for 2 months (monthly cycle). Intervention Time: Month (Monthly Cycle) Initial Outcome: Dysmenorrhea is the amount of pain at the beginning and end of the study.