IRCT20081011001323N24 IRCT 2019-12-10 Yasouj University of Medical Sciences effect of combined extract of Matricaria Chamomile, Cinnamon zeylanicum, Foeniculum vulgare, Cuminum cyminum and Zataria multiflora in treatment of Dysmenorrhea Comparison Efficacy of hydroalcholic extract of combined potions of 5 plants of Matricaria Chamomile, Cinnamon zeylanicum, Foeniculum vulgare, Cuminum cyminum and with Mefenamic acid in treatment of moderate to severe Dysmenorrhea in 15-45 year old women 2019-11-01 anticipated 80 Complete https://irct.ir/trial/40283 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Patients are allocated randomly with simple random allocation method by use of random number table to one of each group combined herbal extract or mefenamic acid) and received the intervention of that group. 2-3 Treatment of primary dysmenorrhea. Intervention 1: Intervention group: Combined extract of 5 herbs provided in form of capsule ,then 2 day before onset of menstrual cycle till 3 days after every 12 hours one capsule prescribed with one glass of water for two consecutive cycle. Intervention 2: Control group: Mefenamic capsule 250 mg is prescribed every 12 hour with one glass of water 2 day before onset of menstrual cycle till 3 days after it for two consecutive cycle. No - There is not a plan to make this available Justification or reason for not sharing IPD is There is no further information.