Why Your IBS Isn’t Getting Better


The real reason your Irritable Bowel Syndrome isn't getting better...

What if Irritable Bowel Syndrome (IBS) wasn't "just in your head?". This may seem revolutionary for many physicians... and people that don't have IBS. Anyone living with IBS know it's true. Nobody wants to be bathroom bound when they try to leave the house, or have to scan a restaurant menu frantically looking for the one item that won't cause them pain or embarrassing gas within an hour.

Well, it's true.

Small Intestinal Bowel Overgrowth (SIBO) is estimated to be the cause of anywhere from 40-85% or more cases of IBS. Clinically, I would say that this number is even higher.

Your Gut is a Powerhouse

There are several types of bacteria within the digestive system. The particular species depend on things like your genetics, your birth type (hospital, home birth, vaginal, C-section), breast versus formula feeding, your diet, medications and stress. They can change over time and the unique combination can markedly affect how you feel. It can be helpful to classify human bacteria into three categories:

  1. Healthy bacteria  - these are the beneficial species, like Lactobacillus, and Bifidobacteriumthat help to defend against pathogenic bacteria, producing bile flow, keeping unhealthy bacteria from taking hold, releasing vitamins from our food and metabolizing toxins.
  2. Neutral bacteria (Commensal Flora) - these types of bacteria have evolved along with human species and are generally not harmful. However, given the right conditions they can crowd out beneficial bacteria and create problems.
  3. Unhealthy bacteria (Pathogenic) - these are the typical bacteria we think of: E. coli, C. difficile, Shigella flexneri, Salmonella enterica, Vibrio cholera and they can make us sick, cause food poisoning and long term health issues.

There are a combination of bacteria that you want, bacteria that show up that can take over if not contained, and then there are invasive bacteria. As in the human digestive system, we want the balance to be tipped in favour of the helpful species, so that the neutral species can exist in manageable amounts, and hopefully ultimately crowd out the pathogens.

Normally, the majority of bacteria within the digestive system reside within the large intestine where they work on the food you're digesting to produce Vitamins B1, B2, B6, B12 and K2 as well as other substances. Since we have 10 times as many bacterial cells in our body as we have human cells, even a small alteration in our bacterial garden can change our landscapes dramatically.

The Migrating Motor Complex (MMC)

The MMC coordinates electrical wave patterns every 90-120 minutes between meals that sweeps through the stomach and small intestine to helps propel food and bacteria from the ileum (the end segment of the small intestine) to the large intestine. In order to function properly, our body needs to have a break between meals.

In SIBO, these bacteria can migrate backwards, up into the small intestine which normally has far fewer bacteria. This migration can occur with intestinal permeability, certain medications, inflammatory bowel disease (Ulcerative Colitis, Crohn's Disease), Celiac disease, and low stomach acid.

Because competition is less fierce in the small intestine than in the large intestine these bacteria can settle in, replicate and grow without being crowded. The problem is that now you have bacteria existing in high amounts where they would not normally be and they are now crowding out healthy bacteria, interfering with your crop and attracting pests.  The overgrowth can be a combination of healthy, commensal or pathogenic bacteria.

This overgrowth is what contributes to much of the discomfort of Irritable Bowel Syndrome.
The bacteria that takes hold likes to stick around and make a mess. It can throw off the MMC, and instead of helping to digest your food it ferments it. Fermentation is the process of converting sugars in foods to gases or alcohol, as in beer, wine and sourdough bread. Our bodies are not designed to ferment, and when we do, we bloat. We get gas pains and feel like crap after eating. Because the food is not breaking down properly, we also get intestinal permeability.

We are more likely to have other problems too:

  • nausea
  • flatulence
  • diarrhea
  • constipation
  • food sensitivities
  • Leaky Gut
  • Fibromyalgia
  • Chronic Fatigue Syndrome
  • Acid reflux
  • Gastroesophageal Reflux Disease (GERD)
  • eczema
  • rosacea

Sound familiar?

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