When to worry about indigestion (2025)

The medical term for indigestion is 'dyspepsia' - this includes several different types of stomach pain caused by problems with your digestive tract.

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Indigestion covers a variety of symptoms. The most common is pain - typically a burning pain in the top part of your stomach (upper abdomen), or travelling behind your breastbone. However, indigestion can also cause:

  • Nausea or being sick.

  • Bloating of your tummy.

  • Burping.

  • Feeling full quickly when you eat.

  • Heartburn.

Patient picks for Indigestion and heartburn

Digestive healthHow to deal with Christmas indigestionWith all your festive feasting, uncomfortable bloating and stomach pain can dampen the fun. But your Christmas indigestion can be managed with these handy tips and tricks to help keep your gut merry.by Victoria RawDigestive healthFunctional dyspepsiaFunctional dyspepsia (non-ulcer dyspepsia) causes pain and sometimes other symptoms in your upper tummy (abdomen). The cause is often not clear. Medication to reduce stomach acid helps in some cases. Infection with Helicobacter pylori (H. pylori) may cause a small number of cases. Clearing this infection, if present, helps in some people.by Dr Rosalyn Adleman, MRCGP

How long can indigestion last?

In most cases, indigestion goes away in a few hours.

However, if you find you get indigestionoften,or your symptoms last for more than two weeks1, it could be a sign of a serious condition. In this case, it is important to talk to your doctor, as they may recommend tests to investigate the cause of your indigestion.

Causes of indigestion

Stomach acid

Indigestion is usually caused by inflammation in your stomach. This is often due to too much stomach acid, which your body makes to digest food. If this acid backs up into your gullet, it can cause heartburn - burning pain behind your breastbone, sometimes accompanied by a bitter liquid rising into your mouth. In the UK, 1 in 4 adults2 and 1 in 5 in the US3 regularly experience heartburn.

Other causes include:

Ulcers

Peptic ulcers include ulcers in your stomach and the area connecting the top of your gut to your stomach (duodenum).

Hiatus hernia

Hiatus hernia occurs when the top part of the stomach pushes up into the chest cavity, often causing heartburn.

Medicines that cause indigestion

Medicines are a common cause of indigestion. Some of the most likely to cause it include:

If your indigestion starts, or becomes worse, shortly after you start taking one of these medicines, see your doctor. They may be able to change your tablets - or the time you take it - to stop indigestion from happening.

Germs

Sometimes a germ called Helicobacter pylori can make indigestion worse. Your doctor may perform a breath, poo (stool) or blood test for this and if necessary, give you a one-week course of treatment with three different tablets to get rid of it. This doesn't always work and it involves taking several tablets a day and often having to avoid alcohol for a week, but it can reduce the chance of symptoms returning.

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Proton pump inhibitors

Tablets like proton pump inhibitors (PPIs) - such as omeprazole, lansoprazole and, esomeprazole - help to keep stomach acid under control and hopefully ease the symptoms of indigestion.

Home remedies for indigestion

There are several home remedies that have proved to be effective in treating indigestion in the short-term.

These can include:

  • Chamomile Tea4

  • Peppermint Tea5

  • Apple Cider Vinegar6

  • Ginger7

  • Fennel Seed8

However, home remedies should not be relied upon if your symptoms last for more than two weeks or worsen.

If you have any pre-existing health conditions, you should also talk to your doctor before trying any of these.

When to see a doctor about indigestion

Indigestion and heartburn are rarely due to a serious cause, but there are some possible warning signs which should be checked out by a doctor. They include:

  • Severe pain which doesn't settle with remedies from your pharmacist or doctor.

  • Being off your food or losing weight for no obvious reason.

  • Food sticking when you swallow, or severe pain on swallowing.

  • Blood in your poo, especially if it's dark red and mixed in with the poo.

  • Feel generally unwell - which can be down to anaemia - or tired.

  • Persistent bloating that lasts for three weeks or longer - which could in rare cases be caused by ovarian cancer.

Seek immediate attention by calling for an emergency ambulance (999 in the UK) if you are being sick with blood or black coffee grounds like substance in your vomit, or of you have blacky, tarry poos or blood is continuously dripping (not stopping) from your bottom.

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Your doctor may recommend further investigations for any of these reasons:

  • If you have a past history of peptic ulcer.

  • A condition called Barrett's oesophagus.

  • If you develop persistent indigestion or reflux - especially with weight loss over the age of 55.

There are two main investigations to check what may be the cause of your long term indigestion:

  • A gastroscopy - a small flexible tube is passed down your throat, sometimes under sedation, to look inside your stomach. This is done as a day case in hospital but you'll need someone to take you home afterwards.

  • A colonoscopy - done where an abnormality of the lower bowel is suspected, You take medicines at home to empty your gut completely, then go in as a day case to hospital and have a small flexible tube passed up from your bottom to examine your large bowel.

Preventing indigestion

There's much that you can do to relieve or prevent your symptoms happening the first place.

In heartburn, lying down often brings on the problem because the acid doesn't have to travel against gravity up into your gullet. Propping the head of the bed up on a couple of risers may help.

So too can losing weight, avoiding tight belts or trousers and staying away from large meals or eating too close to bedtime.

For other indigestion, you may find that some foods like peppermint, tomatoes, alcohol or spicy foods are best avoided.

Your pharmacist can advise on short-term remedies or a course of tablets to relieve the misery. You could also try probiotics.

1. NIH: Symptoms and Causes of Indigestion

2. Imperial College Healthcare first NHS Trust: News

3. American College of Gastroenterology: Acid Reflux

4. Nyamwamu et al: A survey of medicinal plants used by the gusii community in the treatment of digestive disorders and other inflammatory conditions

5. Chumpitazi et al: The physiologic effects and safety of Peppermint Oil and its efficacy in irritable bowel syndrome and other functional disorders

8. Liu et al: Effects of dietary fennel (Foeniculum vulgareMill.) seed powder supplementation on growth performance, nutrient digestibility, small intestinal morphology, and carcass traits of broilers

Article history

The information on this page is peer reviewed by qualified clinicians.

  • Next review due: 9 May 2027
  • 10 May 2024 | Latest version

    Last updated by

    Victoria Raw

    Peer reviewed by

    Dr Krishna Vakharia, MRCGP

  • 9 Feb 2018 | Originally published

    Authored by:

    Dr Sarah Jarvis MBE, FRCGP
When to worry about indigestion (2025)
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