What this gut health section covers

This section includes GP reviewed summaries of common digestive and gastrointestinal topics. These articles give clear, reassuring information about symptoms people often ask about and how they are usually assessed.

The topics include:

  • bloating and abdominal discomfort
  • acid reflux and heartburn
  • irritable bowel syndrome (IBS) style symptoms
  • constipation and diarrhoea patterns
  • indigestion
  • food intolerance concerns
  • coeliac screening
  • gallbladder symptoms
  • when blood tests or imaging may be relevant
  • when to speak with a GP

Each article provides clear, non diagnostic information based on current clinical understanding.

Common reasons adults seek GP advice for gut symptoms

Common reasons include:

  • ongoing bloating or abdominal fullness
  • changes in bowel habits
  • heartburn or reflux symptoms
  • upper abdominal discomfort
  • irritable bowel pattern symptoms
  • indigestion after eating
  • concern about food intolerances
  • digestive symptoms linked to stress or anxiety
  • unexplained fatigue or nutrient concerns
  • symptoms affecting appetite or energy levels
  • advice on which tests are appropriate

GPs consider history, symptom patterns, diet and lifestyle factors before recommending any tests or treatments.

Types of gut related topics explained in this section

Below is an overview of the main areas covered. Each has a separate detailed article within the Knowledge Base.

Bloating can be linked to diet, irritable bowel patterns, indigestion or fluctuations in gut movement. A GP explores duration, triggers and associated symptoms to guide next steps.

Reflux symptoms occur when stomach acid moves upwards causing burning, chest tightness or throat symptoms. Assessment often includes lifestyle review and consideration of short term treatment if appropriate.

IBS describes recurring bowel pattern changes with abdominal discomfort. GP assessment focuses on symptom history, flare patterns, diet, stress and exclusion of red flags. Simple tests may sometimes be recommended.

Constipation is common and may be linked to hydration, fibre intake, bowel movement habits or medicines. Persistent symptoms can be evaluated safely in primary care.

HbA1c reflects blood sugar levels over several months and is used to screen for and monitor diabetes.

Indigestion describes upper abdominal discomfort or fullness after meals. Triggers include certain foods, large meals or stress. GP evaluation helps identify patterns and consider short term treatments.

Some people experience digestive sensitivity after specific foods. A GP can review symptoms, pattern diaries and when to consider medical testing such as coeliac screening.

This blood test may be suggested when symptoms include bloating, diarrhoea, iron deficiency or a family history of coeliac disease. Results are interpreted alongside symptoms and diet history.

Gallbladder issues can cause upper right abdominal discomfort, nausea or episodes linked to fatty meals. Ultrasound is usually the first line investigation when appropriate.


If you would like to discuss gut health or plan a private health check, you can book an online GP appointment with AccessGP.

Last reviewed by Dr Zamiel Hussain, GMC registered GP
Updated: 7 December 2025