What is the cause of dysmenorrhea and vomiting

Dysmenorrhea, generally refers to the secretion of a prostaglandin in the menstrual period. This prostaglandin secretion is too much, acting on the myometrium, causing spasm of uterine smooth muscle to cause dysmenorrhea. Why does dysmenorrhea vomit? Because dysmenorrhea, it is closely related to our dysmenorrhea itself. Many people show elevated prostaglandin in dysmenorrhea. It will excite all smooth muscles. In addition to uterine smooth muscle, gastrointestinal tract is also composed of smooth muscle. Therefore, at this time, it will also cause contraction of gastrointestinal smooth muscle, which will cause nausea and vomiting. Therefore, some people will show symptoms of nausea and vomiting when dysmenorrhea occurs.