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Urethral diverticulum

Urethra is a small tube through which urine passes to exit your body.

Urethral diverticulum (UD) is a rare condition in which a pocket, sac, or pouch form in the urethra. Because this sac is in the urethra, it can fill with urine and sometimes pus, leading to recurrent infections. 


  • Idiopathic: Unknown cause
  • Recurrent UTI: There seems to be a link between UDs and multiple bladder infections, which may weaken the urethra wall. It is difficult to say whether it is an effect or a cause.
  • A block in the glands near the urethra also may be to blame. 
  • Vaginal birth and trauma have been thought to contribute to the formation of a urethral diverticulum, where the urethral mucosa (inner layer) herniates through the muscular layers. 
  • Some studies indicate that birth defects might be involved as well. 


  • Have frequent urinary tract infection 
  • Have urinary incontinence 
  • Have pain while urinating 
  • Having frequent urge to urinate 
  • Waking up frequently at night to urinate 
  • Having blood in urine 
  • Experiencing leaking after urinating 
  • Having pain during sexual intercourse 

Depending on the exact location and the extent of damage, the urethra will be repaired by either replacing the tissue with tissue from another part of the body, or by taking out the damaged portion of the urethra and then reconnecting the urethral tube.