Radiation enteropathy history and symptoms

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Radiation enteropathy or radiation enteritis is the syndrome that develops after the intestine is exposed to radiation.

• Symptoms may be different depending on what part of the intestines received the radiation.

• Changes in bowel movements may include:

• Bleeding or mucus from the rectum
• Diarrhea or watery stools
• Feeling the need to have a bowel movement most or all of the time
• Pain in the rectal area, especially during bowel movements

• Other symptoms can include:

• Loss of appetite
• Nausea and vomiting
• Stomach cramping or pain

• Most of the time, these symptoms get better within 2 – 3 weeks after radiation treatment ends. This is called acute radiation enteritis.

• When symptoms become long-term (chronic), other problems may include:

• Bloody diarrhea
• Greasy or fatty stools
• Weight loss

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