The following drugs can not eat menstruation: First, the blood of the drug can not eat, such as the large active pills, and Guizhi Fu Ling capsules, etc., these drugs if eaten during menstruation will lead to increased menstruation, serious may cause the phenomenon of anemia. Second, the hemostatic drugs can not eat, menstruation is a normal physiological phenomenon, everyone has a menstrual period, if it is 7 days clean, if prematurely eat the hemostatic drugs, it will shorten the time of menstruation. Third, some hormonal drugs should not be taken during menstruation, such as estrogen or progesterone, such as supplemental Glaxo, progesterone, etc., if eaten during menstruation will have an impact on menstruation. If it is for the treatment of certain diseases, under the guidance of a doctor, you can give the corresponding drugs for treatment during your menstrual period.