Why Does Uti Cause Flank Pain

However, flank pain most commonly results from one of three causes: Urinary tract infection (UTI) Kidney stones Musculoskeletal problems like a muscle strain or pinched nerve Flank Pain Prevention The kidneys are your body’s filters.. Causes of Flank Pain A kidney stone causes excruciating pain when it enters a ureter. The ureter contracts in response to the stone, causing severe, crampy pain (renal or ureteral colic) in the flank or lower back that often extends to the groin or, in men, to a testis. The pain typically comes in waves. Sorry to hear you have the same issue as me! I ended up getting another UTI and met with a urologist.

He thinks the UTI could have caused a kidney stone or kidney stone caused the UTI (mutually exclusive) and wants me to get a CT scan. He said this would explain the back pain, especially because it radiates into my pelvic area/leg.