Find a dermatologist that works with vulvar issues. You also might want to check out information on lichen sclerosis and lichen planus. Another thought, is that your estrogen is low. If you have low levels of estrogen, your vulvar tissue will not be as thick and elastic as it should be. There are estrogen creams (estrace) perscribed by a doc that might help.

Meanwhile, use laundry detergent that has no dyes or perfumes and don't use any softeners. Also don't use any soap to clean yourself. You could try using a frozen bag of peas to help eaze the itching.