Suggest Remedy For Soreness And Lump In Vagina

i had a total hysterectomy 3 years ago with in incision . cervix and ovaries removed also. I have had reaccuring bacterial infections for 2 years with them getting more frequent and now untreatable, i have used flagyl , cleosin vaginal cream, cipro, rocephin injection and nothing helps. a new sysmptom of 6 weeks is a hard lump on vaginal cuff with soreness. do you have any answers for me. i also have stomach pains and back pain like i did before my hysterectomy. my kidneys are clear.