What is the cause of recurrent vulvitis?

With vulvitis, repeated attacks, consider is caused by bacteria and viruses. General such as suffering from vaginitis, cervicitis, etc., in the treatment is not complete, easy to cause vaginal flora imbalance, causing vaginitis or vulvitis repeated attacks. It can also be due to some factor stimulation, such as vulva clean enough, underwear is not clean, or there is fecal pollution, urine pollution, etc. are easy to cause vulvitis, repeated attacks. Can also be allergic to certain sanitary napkins is also easy to cause vulvitis, repeated attacks, suffering from vulvitis, must press the course of treatment to go to the regular hospital treatment, usually pay attention to local hygiene, frequently change underwear.