Blind loop syndrome: what is it?

In order for your body to utilise the food you eat as fuel, your digestive system breaks it down. Your stomach releases food into your intestines. Nutrients are absorbed there. The colon receives the extra food and pushes it out of the body as waste. Food cannot go through the digestive system normally when someone has blind loop syndrome. It avoids a portion of your gut instead.

Blind loop Syndrome

Another name for blind loop syndrome is:


  • Syndrome of stasis
  • Loop stagnation syndrome
  • Bowel bypass disorder.

How does blind loop syndrome develop?

An excessive bacterial growth in the gut is frequently the cause of blind loop syndrome. Food is compelled to avoid it as a result. The shortening of the small intestine due to the formation of the “blind loop”. Nutrients cannot be effectively absorbed by the intestines. Instead, they leave your body as waste and are expelled.

Complication of Diverticultis

Abdominal surgical complications such as blind loop syndrome frequently happen. Bowel-shortening surgery for obesity is the surgical type that causes this to happen most frequently. A portion of the intestine is intentionally skipped during this procedure.


Blind loop syndrome may also be brought on by digestive issues. It might be a side effect of:

  • Diverticulitis
  • Stomach ulcer illness
  • (Crohn’s disease and colitis) Inflammatory bowel disease

What symptoms are present in blind loop syndrome?

Unexpected weight loss is one of the key signs of blind loop syndrome. This happens when your whole gut is unable to properly digest and absorb meals. Weight loss happens when your body isn’t receiving the nutrients and fat it need.

Bacteria are spread throughout the body and circulation when there is an intestinal bacterial overgrowth. As a result of this bacterial infection,


  • Fever Joint discomfort resembling arthritis
  • Inflamed tendons Skin rash or red pimples on the skin
  • Having a sore or painful muscle
  • Numerous symptoms, including the following, can be brought on by inadequate nutrition and poor nutrient absorption.
  • Chronic diarrhea
  • Nausea or diarrhea
  • Abdominal swelling brought on by a fluid accumulation
  • Pain and cramps in the abdomen
  • Greasy, loose-feeling stools
  • Weakness or weariness
  • Bloating and gas

Blind loop syndrome: How is it identified?

Your doctor will enquire about your symptoms, medical history, surgical history, and family history. He or she will ask for testing to rule out other diseases or to check for anaemia or vitamin absorption.

Testing could involve:


  • Blood tests to monitor the dietary status and look for illnesses
  • Testing your breath for bacterial overgrowth
  • Organ function examinations
  • A test to determine whether the body is inflammatory
  • Examining the faeces for white blood cells, parasites, and faecal fat

What is the remedy for blind loop syndrome?

Blind loop syndrome can be treated by medical professionals. Most likely, you’ll take antibiotics. A brief course of corticosteroids used to lower inflammation may also aid in symptom management.

Surgery may occasionally be required to remove the diseased region. Your surgeon may do an additional procedure to address the issue if blind loop syndrome resulted from the obesity surgery.

What are the blind loop syndrome complications?

Untreated blind loop syndrome might result in inadequate nutrition. Blind loop syndrome, however, can result in a deficiency in vitamins and minerals, including iron and vitamin B12.

Stomach Diagram

When should I make a call to my doctor?

It is crucial to inform your healthcare physician if you have any blind loop syndrome symptoms. If you’ve undergone abdominal surgery or suffer from a digestive disorder like inflammatory bowel disease, be aware of the condition. Although blind loop syndrome is treatable, it can have detrimental effects on one’s health if nutrients cannot be absorbed.


Major points

  • When food doesn’t go the typical digestive path and skips a part of your gut, blind loop syndrome develops.
  • Diverticulitis, inflammatory bowel disease, peptic ulcer disease, infections, and abdominal surgery are some of the possible causes. Unexpected weight loss is one of the key signs of blind loop syndrome.
  • Other signs and symptoms include fever, symptoms resembling an infection, vomiting, diarrhoea, and swelling and discomfort in the abdomen.
  • Antibiotics are typically prescribed to treat blind loop syndrome. Also, surgery can be required.

Next steps Advice on how to maximise a visit with your healthcare provider:


  • Make a list of the questions you want answered before your appointment.
  • Bring a companion so you can recall what your provider tells you and to ask questions.
  • Write down any new instructions your doctor offers you during the visit, as well as the names of any new medications, treatments, or tests.
  • In the event that you have a follow-up appointment, make a note of the day, time, and reason for the visit.

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