ok so i just left the docter.i went because i think i was having problems with my kidneys.i really bad severe back pain.an blood in my urine.i told my docter this but she said there was no trace of blood.but tevery week or so blood turns up in my urine.she said i seemed to be fine.but i know my body and when somethings up.i also get very nauseous an have no energy and appetite at all.she sent a urine culture off which wont be back until a couple of days wat do you think is wrong with me?