If vulvar itching occurs after menstruation, it is often related to the following factors: 1. It is caused by dermatitis of the vulva, as it is necessary to use sanitary napkins when menstruating, and sanitary napkins are less breathable, which can lead to dermatitis of the vulva. So it’s best to go to the hospital for an examination to find out if there is a possibility of local inflammation of the vulva. If there is vulvar dermatitis, it can be treated with local application of Paregoric Pine ointment. 2. caused by inflammation of the vagina, as resistance decreases during menstruation, which can easily cause pathogenic bacterial infections. The most common clinical inflammation is vulvovaginal pseudomonal yeast disease caused by Candida albicans infection. This is a very good way to get the most out of your life.