What are causes of vaginal bleeding after complete hysterectomy?

Vaginitis. when they do a hysterectomy, they close the end of the vagina and there is no connection with the internal organs. So, bleeding occurs locally in the vagina. Infectious causes? bacterial vaginosis, yeast or trichomonas. After hysterectomy and with aging the vagina can also be bleeding from diminished estrogen hormone that normally maintains the lining. sometimes bleeding from urine confused.
Granuloma. As the vaginal cuff heals, it can develop scar tissue that gets blood vessels in it, called granuloma. Your doctor can perform a pelvic exam and determine if that is what this is. There are possibilities of other tumors, but these are less likely.