Last updated on 2 January 2026 by Brisbane Livewell Clinic Editorial Team
IBS relief in 3 steps with the FODMAP. Irritable Bowel Syndrome (IBS) is a functional gut disorder affecting 10-15% of the world’s population. “Among patients, about 40% of people have mild IBS, 35% moderate IBS, and 25% severe IBS. Many people don’t recognise IBS symptoms. Yet, Irritable Bowel Syndrome is one of the most common disorders seen by physicians.”
Those suffering from Irritable Bowel Syndrome can experience symptoms such as abdominal pain, bloating, gas, constipation or diarrhoea, in many cases having a significant impact on daily life. Irritable Bowel Syndrome is also major women’s health issue. Data reveals an increased risk of unnecessary surgery for extra-abdominal and abdominal surgery in Irritable Bowel Syndrome patients. For example, hysterectomy or ovarian surgery has been reported in female patients with Irritable Bowel Syndromes high as 47% to 55%. It has been performed more often in the IBS patient than in comparison groups.
Some medications can help manage Irritable Bowel Syndrome symptoms; however, lifestyle factors can also play a major role in increasing numbers of people turning to their diet to find symptom relief.
One of the best-researched dietary strategies in managing IBS symptoms is the low FODMAP diet, offering relief of symptoms in up to 86% of people that follow it. This diet does not ‘cure’ Irritable Bowel Syndrome, but does help a person with IBS work out the high-FODMAP foods that trigger their symptoms and how much of them can be tolerated.
Science-based evidence has found that a low FODMAP diet can help with the symptoms of IBS. The great news is that following a low FODMAP diet isn’t a lifetime change. It is about monitoring your tolerance to FODMAP-rich foods and finding a diet that suits you and your symptoms. Once you’re diagnosed with IBS, for optimal results, a dietitian can help you through a 3-step plan.
FODMAP stands for Fermentable Oligosaccharides, Disaccharides, Monosaccharides and Polyols. These are carbohydrates that ferment in our gut and can lead to the symptoms of IBS in hypersensitive people.
The low FODMAP diet aims to reduce foods containing these carbohydrates for 2-6 weeks, before systematically re-introducing them to identify specific trigger foods. Following the low FODMAP diet for 2-6 weeks is usually long enough to see an improvement in symptoms, and it is recommended that the diet is only followed for this limited time due to the restrictive nature of the diet and risk for nutrient deficiencies longer-term.
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