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What is a urinary tract infection (UTI)?

A UTI is an infection anywhere in the urinary tract.* Your urinary tract includes the organs that collect and store urine and release it from your body. They are the

  • kidneys
  • ureters
  • bladder
  • prostate (in men)
  • urethra
  • Kidneys. Your kidneys collect wastes and extra water from your blood to make urine.
  • Ureters. The ureters carry the urine from your kidneys to your bladder.
  • Bladder. Your bladder stores the urine and squeezes it out when full.
  • Prostate. The prostate adds fluid to semen.
  • Urethra. The urethra carries the urine out of your bladder when you urinate.

*Words in bold type are defined in the glossary