Definition: A partial or full blockage in either the small intestine or large intestine that inhibits stool from passing. An obstruction can have one of many causes, including a hernia, scar tissue, tumor growth, or a twist in the intestine. Obstructions are a common complication of Crohn’s disease.
Symptoms of a bowel obstruction include:
- A feeling of fullness in the abdomen
- Bloating (distention)
- Constipation
- Diarrhea
- Pain and cramping
- Vomiting
Also Known As: mechanical obstruction, SBO, LBO

