The presence of dysuria during menstruation indicates the presence of urinary tract infections due to contamination of the vagina, including the urethra, by menstrual blood. In this case, if it is mild, drinking a lot of water and flushing the urethra to prevent urinary tract infections can cure the dysuria. However, if it persists for a longer period of time, about three days, it is necessary to go to the urology department for routine urinalysis to determine whether there is a urinary tract infection, and according to the advice of the urologist, oral medication can be taken at this time to treat incontinence. In the future, try to change the sanitary napkin every four hours during menstruation and drink a lot of boiled water to reduce the weight gain caused by edema during menstruation and to prevent urinary tract infection. Also try to wash your vulva every day to avoid contaminating it with menstrual blood, which can cause urinary tract infections and vaginitis.