What Causes Vaginal Bleeding And Metallic Taste In Mouth With History Of Hysterectomy?

Hello . I am Sara, I am asking this question for my mother who is 75 and has had an hysterectomy in 1997, now as of tonight 03/12/2015. Is now bleeding from her Virginia.... And also has a metal taste in her mouth and her legs R weaker then usual..... Is this toB concerned about. She is wearing a pad and not sure wheat her to wait to see if it gets worse or what??? Please help?