Small Intestinal Bacterial Overgrowth Specialist

Kevin McNamara, MD Our Services Small Intestinal Bacterial Overgrowth
Kevin McNamara, MD - - Board Certified Gastroenterologist

Kevin McNamara, MD

Board Certified Gastroenterologist located in Tulsa, OK

Your large intestine is home to millions of bacteria that support digestion and overall health. However, too much bacteria in your small intestines, referred to as small intestinal bacterial overgrowth, impairs both. Board-certified gastroenterologist Kevin McNamara, MD, at his private practice in Tulsa, Oklahoma, specializes in the diagnosis and treatment of small intestinal bacterial overgrowth to prevent long-term health complications. To schedule an evaluation, call the office or book online today.

Small Intestinal Bacterial Overgrowth Q&A

What is small intestinal bacterial overgrowth?

Small intestinal bacterial overgrowth is a condition in which there is an excessive amount of bacteria in your small intestines. The excess bacteria in your small intestines may consume the nutrients your body needs for health and function, which may lead to malnutrition. Further, the bacteria may damage the lining of your small intestines, which can affect nutrient absorption.

Small intestinal bacterial overgrowth often develops from a slowdown in the movement of food through your digestive tract. You may be at risk of developing the gastrointestinal condition if you have a history of diabetes or scleroderma.

Bowel surgery or gastrointestinal conditions, such as Crohn’s disease, may also increase your risk of developing small intestinal bacterial overgrowth by creating pouches or blockages that allow growth of bacteria. 

Immunodeficiency, short bowel syndrome, and some cases of irritable bowel syndrome may also cause small intestinal bacterial overgrowth.


What are symptoms of small intestinal bacterial overgrowth?

Symptoms of small intestinal bacterial overgrowth can vary in type and severity. Most common symptoms include:

  • Abdominal pain
  • Gas and bloating
  • Diarrhea or constipation
  • Abdominal fullness
  • Fatigue
  • Unexplained weight loss
  • Foamy, oil-streaked stool

Small intestinal bacterial overgrowth symptoms are similar to other gastrointestinal conditions, which can make getting an accurate diagnosis difficult. If you’re experiencing these symptoms, contact Kevin McNamara, MD, to schedule a consultation. 


How is small intestinal bacterial overgrowth diagnosed?

Dr. McNamara conducts a comprehensive evaluation to diagnose small intestinal bacterial overgrowth. During your exam, he reviews your symptoms, medical history, and performs a physical exam.

To confirm or rule out small intestinal bacterial overgrowth, Dr. McNamara may also request diagnostic tests, such as:

  • Blood tests
  • Stool tests
  • Special breath tests

He may also recommend an endoscopy so he can visually examine your small intestines and take a biopsy of the tissue to assess the damage. 


How is small intestinal bacterial overgrowth treated?

Dr. McNamara focuses the treatment for your small intestinal bacterial overgrowth on the underlying cause of your bacterial growth. In addition, he may also recommend:

  • Antibiotics
  • Medications to improve gut motility
  • Nutrition supplementation
  • Intravenous (IV) fluids
  • IV nutrition
  • Lactose-free diet

Without a proper diagnosis and treatment plan, small intestinal bacterial overgrowth may lead to other health complications, such as liver disease, osteomalacia, or osteoporosis. 

To schedule an evaluation with Dr. McNamara, contact the office by phone or online today. 

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