Ph: (03) 98884119 or 0439884144



Small intestinal bacterial overgrowth - SIBO


Small intestinal bacterial overgrowth (SIBO) refers to a condition in which abnormally large numbers of bacteria are present in the small intestine and the types of bacteria in the small intestine more closely resemble the bacteria of the colon. Unlike the colon (or large bowel), which is rich with bacteria, the small bowel usually has less than 104 organisms per millilitre of fluid. Likewise, the types of bacteria within the small intestine are different than the types of bacteria within the colon. Ordinarily bacteria are moved out of the small bowel into the large bowel via peristalsis and the ileo-cecal valve prevents movement of bacteria from the colon back into the small intestine. However, disruptions in intestinal motility or physical disturbances inhibit this natural defensive pattern and bacteria begin to accumulate in the small intestine. 


SIBO is associated with irritable bowel syndrome and chronic fatigue syndrome. Bacterial overgrowth may break down bile acids, necessary for absorption of fats, thus reducing absorption of fats and fat-soluble vitamins A, D and E. In severe cases, bacteria may damage the small intestinal wall thus impairing carbohydrate and protein absorption resulting in malnutrition. 


Factors that can contribute to the development of SIBO include 

  • Antibiotic therapy
  • Cholecystectomy 
  • Coeliac Disease 
  • Crohn’s Disease 
  • Diabetes mellitus 
  • Disordered motility of small bowel 
  • Hypochlorhydria 
  • Immunosuppressant Medications 
  • Neurological conditions 
  • Overuse of antacids
  • Pancreatitis 
  • Parasites 
  • Poor diet
  • Post-intestinal surgery 
  • Proton Pump Inhibitors 
  • Removal of the ileo-cecal valve 
  • Scleroderma 
  • Stress 


Symptoms of SIBO  

Common signs and symptoms of SIBO can include the following 

  • Acid reflux
  • Acne rosacea  
  • Abdominal cramping
  • Abdominal distention and bloating
  • Alternating constipation and diarrhoea 
  • Anaemia 
  • Bloating after meals  
  • Burping after meals  
  • Constipation
  • Diarrhoea 
  • Fatigue 
  • Flatulence,gas, wind 
  • Leaky gut symptoms  
  • Malabsorption 
  • Malnutrition 
  • Nausea 
  • Nutritional deficiencies 
  • Vitamin B12 deficiency 
  • Weight loss 



SIBO is diagnosed via a non invasive, SIBO specific breath test.  An abnormal overgrowth of bacteria in the small intestine ferment on certain foods and cause a rise in methane and hydrogen gases.  These gases are not produced by humans.  The gases diffuse from the small intestine into the blood and are carried to the lungs where they are exhaled.  These gases can then be measured via a breath test.  


SIBO treatment with Naturopath, Kathryn Arnel

SIBO can be treated very effectively with Natural Medicines.  Kathryn Arnel is a qualified SIBO Practitioner with extensive knowledge and experience in the diagnosis and treatment of this condition.  Your gut can be healed of this condition.



...."I would like to say a big thank you to you Kathryn as I am now back on track. I now feel I have regained control of my life with your help and have never felt better.  Kathryn has treated me for SIBO and digestive complaints for the last 12 months.  I have  been to doctors and specialists with little result and found Kathryn on the net. She is very knowledgeable, caring and willing to listen. Within a few months of treatment I started to see an improvement that no other doctor could manage to achieve. It has taken time but any one with SIBO and digestive disorders knows that there is no quick fix. If you are looking for a Naturopath then I can highly recommend Kathryn"....  Rachel 


Please phone Kathryn (03) 98884119 for more information about

SIBO treatment and testing.  





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