If a vulva grows a bag, it is common for the following reasons, according to different reasons and then give different treatment: First, may be caused by vulvar boils, often because of tight underwear or menstrual period did not strengthen care, resulting in local inflammatory reaction, so the boil, local redness, swelling, pain, and often also the phenomenon of pus, you can wash after the application of Biodopan for treatment, if necessary The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. Third, if the vulva grows a bag, such as in the left or right side of the posterior union of the vagina, and does not feel pain when touched by hand, but only when washing the vulva to find a local growth of a lump, this situation may be a vestibular gland cyst. If it is a small cyst, you should take better care of it and do not need to do anything else. If it is a large cyst, it needs to be treated surgically.