Digestive Health

Dyspepsia (Indigestion): Symptoms, Causes and Treatment in the UK

6 min readLast reviewed 29 June 2026

Educational information — not medical advice.

This article was prepared by the OnlineDoctor24 editorial team and reviewed for factual accuracy against UK clinical guidance (NHS and NICE). It is not written by a doctor and does not replace personal medical advice. For symptoms specific to you, book an online doctor consultation.

Key points

  • Dyspepsia is a term used to describe a range of symptoms involving upper abdominal discomfort or pain, often occurring after eating.
  • Unlike occasional heartburn, chronic dyspepsia may involve bloating, nausea, and early satiety where you feel full very quickly.
  • Common causes include diet, lifestyle factors, certain medications (like NSAIDs), or underlying issues like H. pylori infection.
  • Management typically involves lifestyle adjustments, antacids, or proton pump inhibitors (PPIs) following a clinical review.
  • You should consult a GP if symptoms are persistent, recurrent, or if you are over the age of 55 with new-onset indigestion.

What is Dyspepsia?

Dyspepsia, commonly known as indigestion, is a collective term for symptoms that originate from the upper gastrointestinal tract. According to NHS guidance, it affects approximately 40% of the UK population at some point each year. While often mild, for many patients, it is a chronic or recurrent condition that significantly impacts daily life.

It is important to distinguish dyspepsia from simple acid reflux. While they can overlap, dyspepsia specifically refers to pain or discomfort centred in the upper abdomen (the epigastrium), often accompanied by a feeling of heaviness or 'fullness' that feels disproportionate to the amount of food consumed. It is not a disease itself but a sign of how the upper digestive system is functioning.

Common Symptoms of Indigestion

Patients experiencing dyspepsia typically report a variety of sensations that occur during or shortly after a meal. These include:

  • Epigastric pain: A dull ache or burning sensation in the area between the breastbone and the navel.
  • Early satiety: Feeling uncomfortably full shortly after starting a meal, making it difficult to finish a normal portion.
  • Postprandial fullness: An unpleasant feeling that food is 'sitting' in the stomach for an unusually long time.
  • Bloating and Nausea: A feeling of tightness in the upper abdomen, sometimes accompanied by the urge to vomit.
  • Belching: Frequent burping as the body attempts to relieve gas and pressure.

Understanding the Causes

Dyspepsia can be categorised as either 'organic' (where an underlying cause is found) or 'functional' (where the digestive tract appears normal but doesn't function correctly). Common triggers identified by NICE (National Institute for Health and Care Excellence) include:

Dietary and Lifestyle Triggers

Lifestyle choices play a significant role. High-fat foods, caffeine, alcohol, and spicy dishes are frequent culprits. Furthermore, lifestyle habits such as smoking, eating too quickly, or high levels of stress can exacerbate gastric sensitivity.

Medication Side Effects

Certain medicines are known to irritate the stomach lining. Non-steroidal anti-inflammatory drugs (NSAIDs) like ibuprofen or aspirin are common causes of drug-induced dyspepsia. If you are taking these regularly, it is vital to discuss this with a healthcare professional.

Medical Conditions

Underlying conditions such as Helicobacter pylori infection, peptic ulcers, or gallstones can manifest as dyspepsia. In some cases, it may be related to how the stomach muscles contract, leading to delayed emptying.

NHS-Aligned Management and Treatment

Management of dyspepsia in the UK usually follows a stepped approach. Initial self-care often involves lifestyle changes: reducing caffeine intake, maintaining a healthy weight, and avoiding 'trigger' foods at least three hours before bedtime.

If lifestyle changes are insufficient, a GP may suggest pharmacological interventions:

  • Antacids and Alginates: These provide short-term relief for mild symptoms by neutralising stomach acid.
  • H2-Receptor Antagonists: These reduce the amount of acid the stomach produces.
  • Proton Pump Inhibitors (PPIs): Medicines like omeprazole or lansoprazole are often used for more persistent cases to significantly lower acid production and allow the gastric lining to heal.

For patients with persistent symptoms, a 'test and treat' approach for H. pylori may be recommended, involving a simple breath or stool test.

When to Speak to a GP Online in the UK

If you are struggling with indigestion that keeps coming back, you may find it helpful to speak to a GP online. An online consultation allows you to discuss your symptoms, dietary habits, and medical history from the comfort of your home.

A UK-registered doctor can review your symptoms against NICE guidelines to determine if your dyspepsia requires a prescription-strength treatment or if further diagnostic tests are necessary. If you are starting new medications, an online GP can provide clear advice on how to take them and what to expect regarding recovery. For many patients in the UK, this is the most efficient way to manage recurring gut concerns without the delay of traditional waiting rooms.

Red flags — when to seek urgent help

Call 999 or go to A&E if you experience any of the following:

  • Unintentional and significant weight loss
  • Difficulty swallowing (dysphagia) or food getting stuck
  • Persistent or forceful vomiting
  • Vomiting blood (which may look like coffee grounds)
  • Black, tarry stools (melaena)
  • A noticeable lump in the upper abdomen

Frequently asked questions

Common questions UK patients ask about dyspepsia (indigestion).

How an online doctor can help

This article is for general information only and does not replace personal medical advice from a qualified doctor. Content is reviewed against UK NHS and NICE guidance by the OnlineDoctor24 editorial team and is not authored by a medical doctor. If your symptoms worsen or you are unsure, please book a consultation with a GMC-registered GP.

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