It is possible to soak your feet in pepper water during menstruation, but it is not recommended if you take a vaginal bath. You should not use external medicine to treat vaginal inflammation during menstruation. Vaginal inflammation can be relieved during menstruation because of the flushing of menstrual blood. During menstruation, you should pay attention to keep warm and avoid feeling cold, not to eat cold food or drink cold drinks, which can easily lead to dysmenorrhea if you consume cold food or drinks. If you experience discomfort during menstruation, you must go to the hospital to get the right treatment and choose the appropriate medication.