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Your Gut, Your Guide: Understanding & Managing IBS
If you or someone you know struggles with bloating, abdominal pain, or unpredictable bowel habits, you’re not alone. These could be symptoms of a common but often misunderstood condition: Irritable Bowel Syndrome (IBS).
In this blog post, we’re unpacking what IBS is, how it’s diagnosed, and—most importantly—what you can do to manage it effectively through nutrition, lifestyle, and a personalised care plan.
What is IBS?
Irritable Bowel Syndrome (IBS) is one of the most common functional gastrointestinal disorders worldwide, affecting an estimated 4.6% of the global population. It’s more prevalent in women and individuals under 50 years old.
Unlike conditions like coeliac disease or inflammatory bowel disease (IBD), IBS doesn’t cause visible damage to the bowel. It’s considered a “functional” disorder, which means symptoms are present without any structural or biochemical abnormalities showing up on tests.
- Common symptoms include:
Abdominal cramping or pain - Bloating and gas
- Constipation, diarrhoea, or a mix of both
- Urgency to go or a sensation of incomplete emptying
- Fatigue
- Psychological symptoms like anxiety or low mood
Why a Proper Diagnosis Matters
Many gut conditions can mimic IBS symptoms—like coeliac disease, IBD, or even bowel cancer. That’s why it’s crucial to work with your GP to rule out these more serious issues before landing on a diagnosis of IBS.
We also look out for what we call “red flag” symptoms, which require immediate investigation. These include:
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Blood in the stool
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Unexplained weight loss
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New or sudden onset of symptoms after age 50
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A family history of colorectal cancer
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Persistent or severe pain
IBS is diagnosed based on Rome IV criteria, and may also involve the use of validated symptom scales to monitor progress, like the IBS Symptom Severity Score (IBS-SSS) or IBS Quality of Life Scale (IBS-QOL).
IBS Isn’t One-Size-Fits-All
IBS is classified into four subtypes, based on bowel patterns:
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IBS-D: Predominantly diarrhoea
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IBS-C: Predominantly constipation
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IBS-M: Mixed pattern
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IBS-U: Unclassified
These subtypes help guide nutrition and medical strategies. For example, someone with IBS-C may benefit from different fibre and hydration approaches compared to someone with IBS-D.
What’s Happening in the Gut?
The science of IBS is still evolving, but we know it often involves a mix of the following:
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Visceral hypersensitivity (increased pain response to gut stimuli)
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Altered gut motility (too fast or too slow transit time)
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Gut-brain axis dysregulation (stress and emotional triggers play a big role)
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Dysbiosis (imbalance in gut microbes)
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Lower density of gut endocrine cells, which may affect secretion and motility
For many, IBS symptoms can be stress-induced or worsened by anxiety, which is why managing the gut-brain connection is a crucial part of long-term care.
Nutrition is Key to Managing IBS
Research shows that around 2/3 of people with IBS report food as a trigger. Nutrition and lifestyle interventions are often more effective than medication, particularly when guided by a dietitian.
The Low FODMAP Diet
Developed by researchers at Monash University, the low FODMAP diet is one of the most well-studied dietary therapies for IBS. FODMAPs are fermentable carbohydrates that can trigger symptoms like bloating, pain, and diarrhoea in sensitive individuals.
This 3-phase protocol includes:
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Elimination – Temporarily removing high-FODMAP foods
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Reintroduction – Gradually testing FODMAP groups to identify triggers
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Personalisation – Creating a sustainable, balanced long-term plan
Important: This is a clinical protocol that should only be done under the guidance of a trained dietitian to avoid unnecessary food restriction and nutritional deficiencies.
What About Fibre?
Fibre plays a complex role in IBS. The type, amount, and timing all matter.
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Insoluble fibre (in skins, seeds, and whole grains) adds bulk but may worsen bloating and cramping in some.
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Soluble fibre, particularly low-fermentable types like psyllium husk, can help regulate bowel movements and reduce bloating.
Tip: Start low and go slow with fibre to minimise symptoms. Always pair it with enough water!
Pre-, Pro- and Post-Biotics
Supporting your gut microbiome can be another powerful tool. Some people benefit from:
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Prebiotics – fibres that feed beneficial gut bacteria
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Probiotics – live microbes that may improve symptoms
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Postbiotics – byproducts of microbial fermentation that support gut health
These aren’t one-size-fits-all solutions—so personalised advice is key!
Managing the Gut-Brain Axis
The connection between your brain and your gut is real. This “gut-brain axis” means stress, trauma, and emotional wellbeing can directly affect your digestive function.
Strategies that have shown benefit in IBS include:
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Gut-directed hypnotherapy
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Cognitive behavioural therapy (CBT)
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Mindfulness and relaxation techniques
- Physiotherapy treatment such as mindful exercise and pelvic dry needling
These approaches help reduce visceral hypersensitivity and improve quality of life.
You Don’t Have to Figure It Out Alone
IBS can feel overwhelming—but you don’t have to manage it on your own. Dietitians are uniquely trained to guide you through the complexities of IBS using evidence-based, compassionate care.
Whether you’re ready to trial the low FODMAP diet, need help with symptom tracking, or just want to better understand your body, we’re here to support you every step of the way.
Ready to Feel Better?
Let’s get you on the path to relief. We’re now offering free 15-minute discovery calls so you can:
✅ Ask questions about your symptoms
✅ Understand how dietitians can help
✅ Decide whether personalised care is right for you
📞 Book your free discovery call today and take the first step towards gut confidence.
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