What are the signs and symptoms of anal fissure?

Updated: Jul 24, 2020
  • Author: Lisa Susan Poritz, MD; Chief Editor: John Geibel, MD, MSc, DSc, AGAF  more...
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Typically, the symptoms of an anal fissure are relatively specific, and the diagnosis can often be made on the basis of the history alone. However, like other common benign anal pathologic conditions, anal fissure is sometimes misdiagnosed or mistaken for another condition of this type. [3]

Typically, the patient reports severe pain during a bowel movement, with the pain lasting several minutes to hours afterward. The pain recurs with every bowel movement, and the patient commonly becomes afraid or unwilling to have a bowel movement, leading to a cycle of worsening constipation, harder stools, and more anal pain. Approximately 70% of patients note bright-red blood on the toilet paper or stool. Occasionally, a few drops may fall in the toilet bowl, but significant bleeding does not usually occur with an anal fissure.

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