flank pain

Last reviewed 10/2021

Loin pain is most frequently due to:

  • muscle strain
  • urinary tract infection

Other conditions which should be considered include:

  • renal calculus
  • pyelonephritis

Very rarely in pregnancy listeriosis may present with loin pain.

Investigation of loin pain should include:

  • urine dipstick testing
  • mid-stream urine
  • radiology of kidneys, ureters and bladder
  • ultrasound scan if pain persists