If the vulva is very itchy after each period, you can apply mometasone or dermatophyte after cleaning the local area, which will achieve a better therapeutic effect. However, it is important to find out why the vulva itches every time after menstruation, whether it is caused by an allergic reaction to sanitary napkins or a lack of localized care of the vulva, so it is important to find out the cause. Some people because of mycosis fungoides vaginal inflammation, during menstruation will not itch, mainly because the menstrual blood is alkaline, so that the internal environment of the vagina changes, inhibit the growth of Candida, so it will not be itchy, after the menstrual period is clean and no longer bleed the itchy symptoms will occur. Therefore, it is very important to find out the cause of the disease, you can do routine leukorrhea tests, gynecological examination, a clear diagnosis and then give treatment to eliminate the symptoms of vulvar itching after each menstrual period.