What is the most likely cause of vomiting, abdominal cramping, and frequent urge to have a bowel movement after radiotherapy?
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Radiation enteritis is an acute complication of radiotherapy with symptoms of nausea, vomiting, abdominal cramping, tenesmus, diarrhea, hematochezia, anorexia, fever, and frequent urge to have a bowel movement.
It is an unavoidable adverse effect of radiotherapy. Its development is highly variable and depends on the duration, dosage, and gut sensitivity to radiation.
Rapidly dividing mucosal cells of the intestine are affected by the radiation, which leads to the symptoms.
A late complication of radiotherapy can be intestinal strictures.
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