Premenstrual syndrome (PMS) is a common problem in reproductive cycle of women. There are different treatment methods on the treatment of PMS including, herbal drugs with the lower side effects. The aim of the present study was to evaluate the efficiency of Chamomile (Matricaria chamomilla) extract on reduction of dysmenorrhea and PMS symptoms. In this clinical trial study, 30 women with PMS symptoms was studied in two monthly menstrual cycles, the first cycle without of the Chamomile extract use and the second cycle with administration of the Chamomile extract before menstruation. Severity of the PMS symptoms was compared in two cycles by using of questionnaire of the Daily Record of Severity of Problems (DRSP). Data were analyzed by pair sample t- test with the significance level of P ≤0.05, using SPSS software. The results showed that use of Chamomile extract was effective in reduction of PMS symptoms. The most effect of Chamomile extract was on the reduction of severity of anxiety and retention symptoms. Therefore Chamomile extract, as a herbal drug, can be used for reducing the severity of mental and physical symptoms of PMS in menstruation cycle.
