Newcastle Medical Centre

Further Information

A-Z Health Advice

Browse through our alphabetised list of health issues and ailments, if you have any questions or enquiries please contact our Surgery.

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Blood in vomit


Vomiting blood (haematemesis) could be a sign of a serious problem.

You should go to your GP surgery or nearest accident and emergency (A&E) department.

The amount and colour of blood can vary. For example:

  • you may have vomited large amounts of bright red blood
  • there may be streaks of blood in your vomit, mixed up with food
  • there may be what look like coffee grounds in your vomit, which means the blood has been in your stomach for a few hours

Keep a small sample of the vomit to show your GP or the doctor treating you. It will give them a much better idea of what's wrong.

What to expect when you see a doctor

Unless you're perfectly well and the cause is obvious to your GP or doctor – for example, swallowing blood from a nosebleed – you should be admitted to hospital straight away for tests.

These will include blood tests and an endoscopy. An endoscopy involves examining the inside of your digestive tract with a thin, flexible tube that has a light and camera at one end.

It's important to confirm that the blood you've vomited has come from your stomach or gullet (oesophagus) and you haven't coughed it up from your airways or lungs, which would indicate a completely different problem.

Read about coughing up blood.

Common causes of vomiting blood

If you vomit blood, it means there's bleeding somewhere in your oesophagus, stomach or the first part of your small intestine (duodenum).

Below is a summary of the most likely causes of blood in the vomit. It's a rough guide that should give you a better idea of the problem.

However, don't use it to diagnose yourself – always leave that to your GP or doctor.

Stomach ulcer or severe gastritis

If you vomit blood and also have a burning or gnawing pain in your tummy, the most likely causes are a stomach ulcer or severe inflammation of the stomach lining (gastritis).

Bleeding occurs when the ulcer or inflammation damages an underlying artery.

Oesophageal varices

Oesophageal varices are enlarged veins in the walls of the lower part of the oesophagus. They bleed, but don't usually cause any pain.

They're often caused by alcoholic liver disease. If your GP or doctor suspects oesophageal varices are the cause of blood in your vomit, you'll need to be admitted to hospital immediately.

Severe gastro-oesophageal reflux disease

Gastro-oesophageal reflux disease (GORD) is where acid leaks out of the stomach and up into the oesophagus.

If you have severe GORD, it can irritate the lining of your oesophagus and cause bleeding.

Tear in the oesophagus

Prolonged retching can tear the lining of your oesophagus, which can also result in bleeding.

Swallowed blood

It's possible to swallow blood in certain circumstances – for example, after a severe nosebleed.

The above conditions may also cause you to have blood in your stools, causing black, tarry poo.

Less common causes of vomiting blood

Less commonly, blood in your vomit may be caused by:

  • swallowing poisons – such as corrosive acid or arsenic
  • a blood condition – such as a reduced number of platelets in the blood (thrombocytopenia), leukaemia, haemophilia or anaemia
  • cancer of the oesophagus or stomach cancer – cancer may be suspected if you're over 55 and you've also lost a lot of weight; it's otherwise rare


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