If you don’t have vaginal or vulvar itching, but only have vulvar itching during menstruation, there are three main considerations: First, allergic to the use of sanitary napkins or pads and itching, you need to change the brand of sanitary napkins or pads, and you must choose the products produced by the regular manufacturers and qualified products to use. Second, during menstruation, the vagina after the blood flush, the environment has been damaged, easy to appear vaginal flora imbalance and cause inflammatory diseases, there can be vulvar itching, accompanied by vaginal bleeding, there is a bad smell, you can vulvar cleaning, local medicine, such as gynecological cleansing lotion, bisacodyl suppositories and other medications for treatment. Thirdly, the use of sanitary napkins during menstruation without replacing them for a long time leads to the growth of bacteria, which stimulates the vulva and causes itching and discomfort. It is recommended to replace the sanitary napkin once every two hours or so, and wash the vulva once or twice a day to improve the symptom, and there is no need for special treatment.