Harmony Digestive and Liver Wellness

Small Intestinal Bacterial Overgrowth (SIBO): Symptoms, Causes & Treatment

Image of a patient suffering from small intestinal bacterial overgrowth.

Some people experience certain symptoms for a long time and assume them to be completely normal. For example, bloating after meals, gas, uncomfortable fullness even after eating very little. But in reality these signs could be more than indigestion or stress.

As a small intestinal bacterial overgrowth (SIBO) specialist in Milton Keynes, we see many patients who’ve been through numerous treatments for IBS, reflux, or “sensitive gut” before finding the real answer: SIBO.

Let’s help you understand what SIBO is, why it causes so much trouble, how it’s diagnosed, and what treatment looks like. If you’re considering private SIBO testing in the UK, this will also give you clarity on what to expect.

What is Small Intestinal Bacterial Overgrowth (SIBO)?

SIBO stands for Small Intestinal Bacterial Overgrowth. It happens when bacteria that are normally found in other parts of the digestive system start growing in the small intestine. And they shouldn’t be here in such large numbers.

When there’s too much bacteria there, it disrupts digestion and causes fermentation of food, leading to uncomfortable symptoms.

What Are the Common Symptoms of SIBO?

SIBO symptoms are very similar to other gut issues, which is why it can be misdiagnosed.

Common signs include:

  • Bloating, especially after meals
  • Excessive gas or belching
  • Abdominal discomfort or cramping
  • Diarrhoea or constipation (or alternating between the two)
  • Feeling full quickly or after small meals
  • Nutrient deficiencies like B12 or iron
  • Fatigue or brain fog

If you’re constantly searching for a bloating and gas relief specialist, but nothing seems to be working, SIBO could be the missing piece.

What Causes SIBO?

Several factors can lead to SIBO:

  • Slow gut motility (movement of food through the intestines)
  • Previous abdominal surgery
  • Long-term use of acid relieving medications
  • Chronic illnesses like diabetes or hypothyroidism
  • Structural problems in the intestines
  • Food poisoning

Sometimes there could be a combination of factors.

“I’ve Tried Everything, Why Haven’t I Been Tested for SIBO?”

SIBO isn’t usually tested for in all practices, particularly if your symptoms are labelled as IBS. Testing for small intestinal bacterial overgrowth (SIBO) is simple, non-invasive, and now accessible through private SIBO testing in the UK.

At Harmony Digestive and Liver Wellness Centre, we offer breath testing to check for hydrogen and methane gases produced by the bacteria in your small intestine. This gives us a clear picture of if SIBO is present and if it does exist then what type we’re dealing with.

How Is SIBO Treated?

Once SIBO is diagnosed, it is usually treated with:

  • Antibiotics or herbal antimicrobials to reduce bacterial overgrowth
  • Dietary changes, such as a low FODMAP or elemental diet (for a short period)
  • Prokinetic medications to support gut movement
  • Addressing root causes

Treatment often involves more than just one step. It’s about getting to the root of the issue.

Will It Come Back?

SIBO can come back if the root of the issue is not addressed. So consulting a gut health specialist near me who understands the full picture can make a difference.

At Harmony, our team provides both treatment and long-term support plans to help reduce recurrence and keep your digestive health on track.

When Should You See a SIBO Specialist?

If you’ve been living with digestive symptoms that keep returning no matter what you eat or try, this is the time to act.

You don’t need to “just live with it.” You deserve answers. You deserve solutions. You deserve to feel well again.

Consider seeing a SIBO specialist in Milton Keynes if:

  • Your bloating and discomfort are getting worse over time
  • You’ve been treated for IBS with little success
  • You’re tired of trying food eliminations without relief
  • You want an expert-guided, personalised plan—not guesswork

What Can You Do Right Now?

Here’s what you can start doing today:

  • Keep a symptom diary: note down what you eat and how you feel afterward
  • Avoid excessive snacking
  • Consider speaking to a professional for private SIBO testing in the UK
  • Don’t depend on random probiotics as it can worsen symptoms in SIBO
  • Reach out for a private gut health consultation for the right guidance.

Final Thoughts

Small intestinal bacterial overgrowth (SIBO) isn’t just “bloating” or “just IBS.” It’s a treatable condition that once identified, can make a huge difference.

At Harmony Digestive and Liver Wellness Centre in Milton Keynes, we offer complete evaluations, breath testing, expert care, and treatment plans according to your needs. If you’re looking for a bloating and gas relief specialist or a gut specialist near me, we’re here to help.

To book a private consultation or second opinion, get in touch with us

Had a great experience with us? We’d love to hear your thoughts! Click here to leave a Google review and share your feedback.

This non-invasive test helps investigate symptoms such as:
•Bloating
•Excessive gas
•Abdominal pain
•Diarrhoea or constipation
•Irritable bowel syndrome (IBS)

Our tests are:
•Evidence-based and accurate, using the latest standards
•Convenient – performed from the comfort of your home or in-clinic
•Interpreted by a specialist gastroenterologist
If you’ve been struggling with unexplained gut symptoms, a breath test may help uncover the cause and guide targeted treatment.
Doctor Consultation image

We Are Now Open For Appointments

Book Your Appointments Now