What causes vulva dryness and itching?

Vulva shows dry, itching, pain symptoms, most of the following reasons: first, the patient's vagina shows inflammatory secretions will stimulate the vulva, it will cause genital itching, such as showing trichomonas vaginitis, fungal vaginitis, bacterial vaginitis, etc.; second, if the patient has diabetes, it will also cause genital itching; Third, elderly women and perimenopause women, because of the decline in estrogen levels in the body, will cause vaginal epithelial atrophy, vaginal secretions too little, so in sexual life will feel dry, pain, while local itching symptoms. The body shows uncomfortable symptoms, need to go to the regular hospital to do related examinations, clear the cause after symptomatic treatment.