| the effect of an iranian herbal drug on primary dysmenorrhea: a clinical controlled trial. | our objective was to examine the effect of an iranian herbal drug in the treatment of primary dysmenorrhea. a randomized, double-blind, placebo-controlled pilot trial among 180 female students at isfahan university dormitory aged 18 to 27 who suffered from primary dysmenorrhea was undertaken. the participants were randomly divided into three groups: herbal drug, mefenamic acid, and placebo. the herbal drug group was given 500 mg of highly purified saffron, celery seed, and anise (sca) extracts t ... | 2013 | 19720342 |