Blind loop syndrome occurs when part of the small intestine becomes bypassed. The "blind loop" formed by the bypassed intestine means food can't move normally through the digestive tract. The slowly moving food and waste products become a breeding ground for bacteria, which can lead to a condition called bacterial overgrowth. As a result, nutrients may not be fully absorbed. Blind loop syndrome often causes diarrhea and may cause weight loss and malnutrition.
Blind loop syndrome — sometimes called stasis syndrome or stagnant loop syndrome — often occurs as a complication of stomach (abdominal) surgery. But blind loop syndrome can also result from structural problems and some diseases. Sometimes surgery is needed to correct the problem, but antibiotics are the most common treatment.
Symptoms
Signs and symptoms of blind loop syndrome often include:
- Loss of appetite
- Abdominal pain
- Nausea
- Bloating
- An uncomfortable feeling of fullness after eating
- Diarrhea
- Unintentional weight loss
When to see a doctor
Bloating, nausea and diarrhea are signs and symptoms of many intestinal problems. See your doctor for a full evaluation — especially if you've had abdominal surgery — if you have:
Bloating, nausea and diarrhea are signs and symptoms of many intestinal problems. See your doctor for a full evaluation — especially if you've had abdominal surgery — if you have:
- Persistent diarrhea
- Rapid, unintentional weight loss
- Abdominal pain lasting more than a few days
If you have severe abdominal pain, get immediate medical care.
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