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Fullness of the rectum and urge to defaecate despite emptying the rectum.


  • Causes of Tenesmus

  • Space-Occupying Lesion

  • Polyp
  • Carcinoma
  • Thrombosed internal haemorrhoid
  • Anorectal abscess
  • Inflammation

  • Inflammatory bowel disease - ulcerative colitis, Crohn's
  • Radiation proctitis
  • Endometriosis

History of Presenting Complaint

  • Onset

  • Whether the tenesmus began suddenly or gradually, and in what situation.
  • Timing

  • How long the tenesmus has been going on for.
  • Associated Symptoms

  • Whether the tenesmus is associated with any other symptoms, such as pain.
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