IBS (Irritable Bowel Syndrome)

What is irritable bowel syndrome?

Irritable bowel syndrome (IBS) IBS is a gastrointestinal disorder of gut-brain communication categorised by re-occurring abdominal pain due to altered bowel movements in the absence of organic disease. As there is no clear diagnostic criteria for IBS, prevalence varies between 1.1% and 45% worldwide. Prevalence in Australia is estimated between 6%-19%.

What causes Irritable bowel syndrome?

The cause of IBS is unknown. Symptoms are caused due to various things such as altered gut signalling, central nervous system dysregulation of gut signalling and motor function, mucosal immune activation and intestinal permeability. Gut motility has varying transit times in individuals with IBS. Some individuals will have strong and rapid contractions, whereas others will demonstrate the opposite. IBS can occur due to genetics, environmental factors and psychosocial factors. Physical stress and infections have led to IBS diagnosis. Alot of clients that we see diagnosed with IBS usually have an underlying food intolerance or may need to adjust their intakes of fibre and fluid. Most symptoms typically resolve with dietary adjustments.

How can Bites Dietitians help?

After assessing your medical history and making sure you’ve had all the right tests before trialling dietary intervention, there are a few elimination style diets that our dietitians can implement to help you to figure out your trigger foods and improve your symptoms. The most commonly used one is a low FODMAP (fermentable oligosaccharides, disaccharides, monosaccharides and polyols) diet. A low FODMAP diet involves restricting short chain carbohydrates, which increase small intestinal water volume leading to rapid fermentation in the large intestine. This then begins a pathway of symptoms as increased gas is produced which can result in you experiencing varying degrees of symptoms such as pain, bloating, flatulence, nausea and altered bowel movements.

The FODMAP diet is a three stage process. The first stage is to eliminate any high FODMAP foods from your diet for a certain time period to first understand if they are causing your symptoms or if we need to alter our course of treatment. If the first stage shows significant symptom improvement, In the second stage, you can begin to add some of these high FODMAP foods back into your diet in a measured and methodical way for us to identify your individual trigger FODMAPs (some people react to all, some people react only to some!) and just how much of these your body can tolerate (some people can have a lot, some people can only have very limited, infrequent amounts!). The third stage is liberalisation or the stage where we begin to work with you to add as many foods that you love back into your diet in a way that you can tolerate. This process can be difficult, especially if you are trying to figure this out on your own. We often see patients after they have tried to go it alone and find out that it is a particularly tricky process to follow and their intolerances might just be a bit too complex to DIY! Our dietitians can help make this process easier, answer all your questions along the way, are connected with other local health professionals to refer you for more testing if necessary and get you on the right track to manage your IBS fast!

An interesting fact about diet and CHD?

Does limiting dairy specifically lactose intake help alleviate IBS symptoms? There is insufficient evidence to prove that eliminating consumption of lactose improves IBS symptoms. Individuals who do choose to eliminate their lactose consumption due to this belief usually fail to consume adequate dietary calcium

What improvements can you expect from a tailored dietary prescription?

In around 1–2 weeks of following a meal plan designed by one of our dietitians you’ll either be feeling A LOT better or we will have ruled out a lot of possible causes. Most clients with IBS symptoms feel significantly better at around the 1–2 month mark after initial consultation. You can also expect to learn about your individual dietary triggers in a clear and practical way as well as understand how to eat out, cook and live a positive lifestyle whilst managing your symptoms.

How will you know if it’s working/you’re improving?

We will monitor your symptoms along the way and may ask you to measure and keep a record of your symptoms too in either a handwritten or phone app format so that you can clearly see your improvements.

Helpful things to bring/remember before your first appointment

  • Copies of any investigations you have already had done – including endoscopies, colonoscopies, blood tests, stool tests, breath tests, biopsies etc
  • A referral from your treating GP or specialist eg. gastroenterologist
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305/29–31 Lexington Drive, Bella Vista NSW 2153

0452 458 146

info@biteshealth.com

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