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Breath Tests

SIBO, H. pylori and gut methane assessment, interpreted within a specialist gastroenterology pathway.

Clinically Validated Breath Testing

Breath tests can help investigate bloating, excessive gas, abdominal pain, diarrhoea, constipation and IBS-type symptoms when SIBO or H. pylori may be part of the picture.

The result is most useful when interpreted alongside your symptoms, medication history and wider clinical context.

H. pylori urea breath test

Non-invasive assessment for Helicobacter pylori.

£105Book

Gut methane assessment

Breath analysis to assess methane patterns linked with gut motility and constipation-predominant symptoms.

£175Book
Most requested

SIBO breath test H₂ + CH₄

Hydrogen and methane breath test for suspected small intestinal bacterial overgrowth.

£295Book

Breath test instructions

  • Preparation depends on the specific breath test.
  • Some antibiotics, probiotics, laxatives, PPIs or bowel preparations may affect timing.
  • Instructions should be followed carefully to reduce inconclusive results.
  • Complex symptoms are best reviewed with a consultant before choosing a test.

Next step

Book a breath test

Choose SIBO, H. pylori or gut methane assessment online.

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