A hard pimple grows on the genitals.

External pudenda long a hard knot that is, external pudenda long a mass. There are many factors that cause a hard knot in the vulva, mainly the following conditions. First, sebaceous cyst, which is caused by sebaceous duct blockage, its size such as broad bean, and accompanied by redness and pain. Under normal circumstances, it can be treated surgically. Second, vestibular gland cyst, which is caused by local blood vessels being severely stimulated, gland duct blockage. If it is accompanied by infection, it is a persistent increase, it must be surgically removed. Third, it may be caused by gynecological inflammation, such as vulvitis, vaginitis, folliculitis, etc. It is necessary to identify the cause, follow the doctor's advice to take targeted treatment, and need to keep the vulva clean and dry.