Fecal impaction

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A fecal impaction is a solid, immobile bulk of stool that can develop in the rectum as a result of chronic constipation.

Symptoms include chronic constipation with sudden, watery diarrhea. Complications may include necrosis and ulcers of the rectal tissue.

Non-invasive treatments are similar to those for constipation and include increased intake of fluids and dietary fiber, and physical exercise.

Other treatments include using enemas to soften the impaction and digital manipulation by a health practitioner. Use of laxatives may be dangerous because of the possibility of tearing caused by violent expulsion of a large mass (known as stercoral perforation). Surgery may be necessary if the bowel becomes totally obstructed.