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Small Intestinal Bacterial Overgrowth (SIBO)
in Denver

What is SIBO?

Small intestinal bacteria overgrowth (SIBO) occurs when there are too many bacteria in the small intestine. It usually occurs when surgery, disease, structural issues in the small intestine or certain medical conditions cause food or waste to move slowly through the small intestine. This can cause bad bacteria to grow and flourish, causing an imbalance.

There are certain factors that may increase your risk of SIBO, including an injury to the small intestine, a structural defect in the small intestine, gastric surgery for ulcers or obesity, Crohn’s disease, diabetes, Lupus and diverticulosis of the small intestine.

Symptoms of SIBO include:

  • Bloating.
  • Excess gas.
  • Nausea.
  • Belly pain.
  • Feeling very full after eating.
  • A loss of appetite.
  • Diarrhea or constipation.
  • Fatigue.

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How is SIBO Diagnosed?

There are a number of tests that can be done to check for bacterial overgrowth in the small intestine. These include breath testing, which measures the amount of hydrogen or methane that you breathe out after drinking a special mixture. Small intestine aspirate and fluid culture is another test that involves passing an endoscope down your throat and into the small intestine. An intestinal fluid sample will then be taken and tested for bacteria growth. In addition to these tests, your doctor may also have you undergo blood testing, X-rays, CT scans or MRI testing.

Treatment Options for SIBO

In order to eliminate SIBO, you need to get the bacteria in your gut back into balance. Treatment may include one, or a combination of, the following:


Antibiotics are usually used to get the bacteria overgrowth under control. However, if your SIBO is due to an underlying condition, you will need to begin treatment to address that condition for long-term SIBO relief.

Diet Changes

Many people with SIBO find relief from recurrent SIBO symptoms after following a special diet. Be sure to eat a balanced diet, as well as eat smaller meals more frequently which will prevent too much food from sitting in the stomach. Your doctor may also recommend that you temporarily try an elemental diet, which replaces food and drinks with liquid formulas for a specific amount of time. 


Probiotics may be able to help balance your gut flora to prevent SIBO.


What is SIBO, and how is it diagnosed?

Small Intestinal Bacterial Overgrowth (SIBO) occurs when there is an abnormal increase in the overall bacterial population in the small intestine, especially types of bacteria not typically found in that part of the digestive system. Diagnosis usually involves a breath test, which measures hydrogen and methane levels produced by bacteria in the small intestine after drinking a sugar solution. If you're experiencing symptoms and live in Denver schedule an appointment with an expert gastroenterologist at South Denver GI for testing to help determine if SIBO is the cause.

What are the common symptoms of SIBO, and where can I seek treatment in Lone Tree, CO?

Symptoms of SIBO include abdominal pain, bloating, diarrhea and gas. In severe cases, it can lead to weight loss and vitamin deficiencies due to malabsorption of nutrients. Residents of Lone Tree, CO, experiencing these symptoms should consider consulting with a gastroenterologist at South Denver GI’s Lone Tree clinic for diagnosis and treatment.

What are the treatment options for SIBO in Parker, CO?

Treatment for SIBO typically involves antibiotics to reduce the levels of bacteria in the small intestine, followed by dietary changes and potentially probiotics to restore a healthy microbial balance. In Parker, CO, gastroenterologists might also recommend specific changes to your diet to help manage symptoms and prevent recurrence. A healthcare provider in Parker can create a personalized treatment plan based on the severity of your symptoms.

Can SIBO lead to other health complications if left untreated in Englewood, CO?

If untreated, SIBO can lead to nutrient deficiencies, such as vitamin B12 deficiency, which can cause anemia and neurological symptoms. It can also damage the small intestine’s lining, affecting its ability to absorb nutrients properly. Englewood, CO, residents should seek prompt treatment to avoid these complications and maintain digestive health.

How can diet help manage SIBO, and are there specialists in Castle Rock, CO?

Dietary management for SIBO often includes a low-FODMAP diet, which reduces foods that are difficult to digest and likely to ferment in the gut, causing symptoms. Some patients may also benefit from a diet low in sugar and lactose. Nutritionists or gastroenterologists at South Denver GI’s Castle Rock, CO, clinic can guide dietary strategies tailored to alleviate SIBO symptoms. We offer nutritional counseling appointments with our registered dietitian, Katie Jones.

Is there a link between SIBO and Irritable Bowel Syndrome (IBS)?

There is a notable link between SIBO and Irritable Bowel Syndrome (IBS); many patients with IBS actually may have SIBO as an underlying cause of their symptoms. Diagnosing and treating SIBO can sometimes alleviate IBS symptoms. Patients in Englewood, CO, with persistent IBS symptoms, should discuss the possibility of SIBO with a health care provider. Schedule a consult with South Denver GI today.

What is the recurrence rate of SIBO, and how can it be prevented in Lone Tree, CO?

SIBO has a high recurrence rate. Managing it often requires ongoing attention to diet and, in some cases, periodic antibiotic therapy. Preventive measures include dietary adjustments, proper nutritional support and addressing underlying conditions contributing to SIBO. South Denver GI gastroenterologists in Lone Tree, CO, can help develop a long-term plan to manage and prevent the recurrence of SIBO.

Are probiotics beneficial for treating SIBO, and where can I find them in Parker, CO?

The use of probiotics in treating SIBO is still under study and may benefit some patients, but not all. Probiotics can help re-establish a healthy balance of intestinal flora, especially after antibiotic treatment. A South Denver GI gastroenterologist practicing at our Parker clinic can advise on whether they are suitable for your specific case of SIBO.

Your South Denver GI Team

At South Denver GI, our team of physicians and advanced practice providers have the expertise to provide you with outstanding care. If you would like to learn more about Small Intestinal Bacterial Overgrowth (SIBO) or need to schedule an appointment at our office, contact us today!

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