Dysmenorrhea is mainly the result of increased prostaglandin release from the endometrium stimulating uterine contraction and vasospasm producing pain in the lower abdomen. In severe cases, because of elevated prostaglandin, it can be uploaded to the hypothalamus and then stimulate the gastrointestinal tract. If the stimulation of the smooth muscle contraction of the stomach causes nausea and vomiting, and the contraction of the intestinal canal and the acceleration of intestinal peristalsis causes diarrhea and other symptoms. The main reason is the muscle spasm of the gastrointestinal tract caused by the increase of prostaglandins, which leads to diarrhea and vomiting, which can be relieved by oral pain medication, such as Fenbid painkillers. The actual fact is that you can find a lot of people who are not able to get a lot of money for their own personal use.