A gastroscopy is a safe and simple procedure to examine your oesophagus (food pipe), stomach and the first part of the small bowel. It can help determine the cause of symptoms such as diarrhoea, abdominal pain, unexplained weight loss or anaemia. It is also used to diagnose Coeliac disease and reflux amongst other conditions.

The procedure involves gently passing a thin, flexible tube with a camera at the tip through your mouth into your stomach and small bowel while you are under sedation. Most people are unaware it's happening and feel no pain.

To perform the procedure safely and get the most accurate results you will need to stop eating and drinking six hours before the procedure. You may need to adjust some medications such as diabetic medications and blood thinners in the days leading up to the procedure. Your doctor will discuss this with you.

Gastroscopy is usually performed as a day procedure and you will go home a few hours after the test. Someone will need to drive you home as you have just had anaesthesia. Serious complications are rare. Minor side effects like bloating or a sore throat are sometimes reported.