What causes a bladder outlet obstruction (BOO)?

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What causes a bladder outlet obstruction (BOO)?

The causes of bladder outlet obstruction include:

  • Scar tissue in your urethra.
  • Bladder stones.
  • Tumors in your rectum.
  • Procedures for stress urinary incontinence (SUI) surgery.
  • Non-cancerous (benign) lesions or cysts.
  • Urethra, vaginal or cervical cancer.
  • Urethral scarring (stricture) disease.
  • Tumors in your uterus or cervix.
  • Bladder or uterus falling down into your vaginal area (pelvic organ prolapse).
  • An enlarged prostate gland (benign prostatic hyperplasic, or BPH) or prostate cancer.
  • Severe constipation or impaction of stool.

Bladder outlet obstruction sometimes causes lower urinary tract symptoms (LUTS).

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