An itchy vulva can be caused by few different things—a yeast infection, a sexually transmitted infection or even an irritating soap or detergent. Less commonly, itchiness can be caused by lichen sclerosus, a chronic autoimmune skin condition that affects the vulva. (It also can affect the penis, but this is very rare.) As with other… The post Itchy Vulva? What to Know about Lichen Sclerosus first appeared on UNC Health Talk.