If a woman has an itchy and painful vulva, she should use medication according to the specific causes, as follows: 1. antifungal medication: itchy and painful vulva caused by acute vulvovaginal pseudomonal yeast requires the use of antifungal medication, commonly used are dacrynic acid, clotrimazole, etc. 2. antitrichomonas medication: red, swollen, itchy and painful vulva caused by trichomonas infection requires the use of antitrichomonas medication, such as metronidazole. 3. The use of anti-tripterine drugs, such as metronidazole, is necessary for the treatment of acute inflammation of the vulva and skin lesions that cause vulvar swelling and pain. The skin of women’s vulva is delicate and easily stimulated by the environment and diseases, so you should pay attention to vulvar hygiene, wear loose and comfortable pants, and keep your vulva clean and dry. If you have abnormal leucorrhea or other uncomfortable symptoms, you should seek medical attention and not have intercourse during your period.