Menstruation has a certain relationship with each person’s environment and mental stress. If the menstrual cycle exceeds 7 days, it suggests that there will be some abnormalities in the endometrium. The normal cycle is 3-7 days. It is recommended to take oral anti-inflammatory drugs to prevent infection first, such as cephalosporin or amoxicillin, as long as you are not allergic to cephalosporin or amoxicillin. It is recommended to observe for 2 days and if there is still bleeding for more than 2 days, go to the hospital for gynecological ultrasound to rule out the possibility of abnormalities in the endometrium. It is recommended not to worry too much, sometimes stress or mental factors can also cause prolonged menstruation.