Hello,
Vulvodynia can be due to many causes like dry
vulva, persistent vaginal yeast infection,
irritation to antifungal treatment , sensitivity or allergy to something touching the vulva, such as soap or bubble bath, a drop in the hormone oestrogen, causing dryness of the vulva, stress, lichen sclerosus or recurrent herpes simplex infection.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided.