Vulvar itching in women is commonly caused by the following diseases: the first is caused by dermatitis of the vulva, such as vulvar eczema or other skin inflammation of the vulva, such as seborrheic dermatitis, which may lead to vulvar itching. You can use mometasone ointment to apply to the local area, which will play a very good therapeutic effect. The second is due to vulvar dystrophy, which can cause the skin itself to become lighter in color, meaning that the skin of the vulva can become white and severely itchy. The third is caused by inflammation of the vagina, when there is a pathogenic bacterial infection, the secretion flows to the vulva, which will cause the vulvar mucous membrane tissue to appear allergic reaction, so it will lead to localized itching, such as candida vaginitis, trichomonas vaginitis, mycoplasma, chlamydia infection, may lead to women to appear vulvar itching.