I have been to the ER twice, CT with and w/out contrast, ultrasound, bloodwork, and urinalysis done. all internal organs are fine, CT mentioned right perinephric stranding concerning for pyelonephritis of the righ kidney. the only thing the urinalysis is showing is blood in the urine. pain is from the ribs to the pelvic bone on the right side and all doctors are scratching their heads as to what the cause could be. what could be causing this?pain is not going away. i ve been nauseated and throwing up, appetite loss, in a fetal position with a hot pad, and no one can find the source of the pain - there are no stones, gallbladder is fine, appexdix is fine, i had a complete hysterectomy decades ago.