Small Bowel Resection: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Small Bowel Resection?
A gastroenterologist, a doctor specializing in the digestive system, usually diagnoses and manages the conditions leading to this surgery. The operation is performed by a general or colorectal surgeon. A direct primary care or concierge doctor can be a first stop for an evaluation and can refer you to a specialist when needed.
What it is
A small bowel resection is surgery to remove part of the small intestine, the tube that carries food from the stomach and absorbs nutrients. Surgeons remove the damaged section and reconnect the healthy ends. Digestion afterward depends on how much intestine was removed.
Symptoms
People who need this surgery often have ongoing belly pain, vomiting, bloating, or inability to pass gas or stool, which can mean a blockage. Blood in the stool, diarrhea, or weight loss can also occur. Fever with belly pain can signal infection or a tear and needs urgent care.
Causes and who gets it
Crohn's disease, a long-term illness causing swelling and sores in the digestive tract, is a common reason. Scar tissue from past surgeries, called adhesions, can also block the intestine. Other causes include cancer, growths, a twisted intestine, poor blood flow, and injuries.
How doctors diagnose it
Doctors start with a physical exam and questions about symptoms and past surgeries. Imaging such as a CT scan can show blockages or growths. Blood tests check for infection, anemia, and nutrient absorption. Sometimes doctors use an endoscopy or a swallowable capsule camera.
Treatment
When part of the small intestine is damaged or blocked, doctors often recommend removing that section. The operation can be done through one larger cut or with several small cuts using a camera, called laparoscopic surgery, which usually means a shorter stay. Recovery involves a hospital stay of several days and a slow return to eating.
When to see a doctor
Anyone with strong belly pain, repeated vomiting, or a swollen, tender belly should see a doctor promptly. Go to the emergency room for fever with belly pain, vomiting blood, or blood in the stool, which can signal a blockage or hole in the intestine.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee instead of billing insurance, while a concierge doctor usually charges more and often works alongside insurance. Either can order tests, treat mild digestive problems, and refer to a gastroenterologist or surgeon when needed.
Common questions
Can you live normally without part of your small intestine?
Yes, most people live well after part of the small intestine is removed. The remaining intestine often adapts over time. People who lose a very large section may have trouble absorbing nutrients and need ongoing medical care.
How long is recovery after this surgery?
Most people stay in the hospital for several days and need a few weeks to feel like themselves again. Recovery is often faster with laparoscopic surgery, which uses small cuts. Exact timing depends on the person and the reason for the operation.
Will the intestine grow back?
No, the small intestine does not grow back to its original length. The remaining part can adapt and work harder, though. This is why doctors remove only as much tissue as needed.
Is this surgery always done as an emergency?
No, some cases are planned ahead of time, such as surgery for a known growth or severe Crohn's disease. Others are emergencies, like a sudden blockage. The approach depends on the cause and how urgent the situation is.
Sources
- National Institute of Diabetes and Digestive and Kidney Diseases - Digestive Diseases - NIDDK
- MedlinePlus - Small bowel resection: MedlinePlus Medical Encyclopedia
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
