Small Intestine Bacteria Overgrowth (SIBO) and allergies!

What is SIBO?

SIBO is considered as bacterial overgrowth that are normally found in the colon, to be growing in the upper part of the small intestine. There are two ways of confirming this, one is by aspiration of small bowel fluids, followed by a culture and bacterial count, which is very invasive as a test, or in a simple and cheaper way, via hydrogen breath test, which measure the methane gas produced by bacteria overgrowth, and gives some indication of possible carbohydrate and protein maldigestion (Razaie).

Symptoms caused by SIBO are bloating, excess gas and abdominal distention, diarrhoea and or constipation. These symptoms are also caused by irritable bowel syndrome and food allergies. Also from my clinical experience yeast overgrowth in the lower part of the intestinal tract can cause pain as well as gas, diarrhoea when you eat sugar or drink sugary foods or fermented food. In some studies, children and adults with low stomach acid, have been find to have high SIBO conditions. Especially if they were malnourished or not eating enough food and vice-versa (Sarker). Some people also have fructose maldigestion problems, where they do not fully digest fructose either from fruits or juice. In this case the undigested fructose is fermented by the colonic bacteria and cause also IBS and SIBO like symptoms.


What is the connection between SIBO and allergies?

Now with SIBO and IBS symtpoms I found that either the person/child is intolerant to a certain food group, which it means they do not digest their food well, or/and are allergic to certain foods, which leads them to have a constant small intestinal tract inflammation, which eventually leads to the so called leaky gut syndrome, where undigested big molecule enters the blood stream causing the immune system to attack it as it is not considered part of the nutrients in the body.

What can you do about it?

The conventional way of treating SIBO is with a course of antibiotics that kills the aerobic and anaerobic bacteria (Gatta). The drawback of this is that it also kills the good bacteria, which it takes ages to build up, which it means that after the person takes the antibiotics there is a possibility of them have a different ecosystem that might be still harmful in the long run. This depends on their daily diet and drinks and from the way they digest their food as well as the integration of their intestinal tract.

This is what I do in my consultations:

Well the first thing to do, if you can, is a breath test to check if you do have SIBO, this can be done by the gastroenterologist (ask your general practitioner for the referral).

However, it might not be necessary to do the test unless you have already done it or you want to do it just to check, which it is a good thing.

In my consultations, I test you with NAET method for possible food allergies and low nutrients, then I use the NAET method to retrain the brain to recognise the nutrients and food group as part of the diet.

During this period, I will suggest supplements to help the digestive process as well as repopulate your intestinal tract/colon with the friendly bacteria which helps in turn to repair the intestinal tract and close the junctions that have been open by the small inflammation if any or any other cause.

I also include craniosacral therapy treatments on the follow up of my consultation and NAET treatments as the full integration of the body, mind and energetic fields to repair and rebalance up.


Rezaie A et al. (2017) Hydrogen and Mehane-based breath testing in gastrointestinal disorders: The North American Consensus. Am J Gastroenterol: May; 112(5): 775–784.


Sarker SA et al (2017). Hunger and microbiology: is a low gastric acid-induced bacterial overgrowth in the small intestine a contributor to malnutrition in developing countries? Microb Biotechnol Sep;10(5):1025-1030


Gatta L & Scarpignato C (2017). Systemic review with meta-analysis: rifaximin is effective and safe for the treatment of small intestine bacterial overgrowth. Aliment Pharmacol Ther Mar; 45(5): 604–616.

(c) Maria Esposito BSc (Hons) Nutritional Therapist – NAET – R-Craniosacral therapist

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