I'm having my period. Why?

When menstruation shows vomiting again, it is considered that there is premenstrual syndrome. Before menstruation, estrogen and progesterone in women's bodies may rise, which will cause certain effects on women's bodies, causing nausea, vomiting and acid reflux, fatigue and other performance. It can be treated by oral administration of some drugs, and at the same time, it can also drink boiled water and massage with hot towels. May also be due to weak constitution during menstruation caused by acute gastroenteritis, but also caused to show symptoms of vomiting. During menstruation to pay attention to diet, can not eat spicy food, can eat more fresh fruits and vegetables, supplement the body needs nutrients.