Medical articles from Dr John Martin

capsule-endoscopy-a-modern-minimally-invasive-test-for-the-small-bowel article image

29/01/2026

Gastroenterologist

Capsule endoscopy: a modern, minimally invasive test for the small bowel

Capsule endoscopy is an advanced diagnostic test that allows specialists to examine the small bowel, an area of the digestive system that is difficult to assess using standard endoscopy. By swallowing a capsule containing a miniature camera, patients can undergo a detailed examination without sedation or invasive instruments.

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14/03/2023

Dr John Martin

Gastroenterologist

Which symptoms commonly accompany rectal bleeding?

What are the most common causes of rectal bleeding, and when should I see a doctor about rectal bleeding? Find out in this article here as revered gastroenterologist and endoscopist, Dr John Martin, provides us with a comprehensive overview.

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17/05/2022

Dr John Martin

Gastroenterologist

How might ulcerative colitis develop over time?

In one of today's articles, we take a close look at ulcerative colitis, as esteemed gastroenterologist and endoscopist, Dr John Martin, reveals the most common causes of the colon-affecting condition, and reveals how patient's can monitor the progression of the condition, and what they can expect in terms of the condition's progression over time.

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29/09/2020

Dr John Martin

Gastroenterologist

Colorectal cancer screening and COVID: getting tested during the pandemic

Dr John Martin, an expert in colorectal cancer screening, explains how the coronavirus has affected your ability to receive a colorectal cancer screening test and clarifies how the tests are being resumed.

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07/07/2020

Dr John Martin

Gastroenterologist

Understanding irritable bowel syndrome (IBS)

Have you been experiencing abdominal pain with diarrhoea, constipation, or both? These are the main symptoms of irritable bowel syndrome, a condition which can be managed with specialist help. Learn from Dr John Martin, a leading consultant gastroenterologist and expert in treating IBS, about what IBS is, its symptoms, how it's diagnosed and how it's treated.

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25/05/2020

Dr John Martin

Gastroenterologist

Treatment for colorectal cancer and how to avoid it!

Colon cancer is one of the more avoidable cancers. Dr John Martin explains what happens if you're diagnosed with colon cancer, but also highlights how the need for treatment can be eliminated through screening.

27/01/2020

Dr John Martin

Gastroenterologist

Is bloating ever a sign of something serious?

Bloating is a common sensation that many of us have experienced. While it's very rare that it's a sign of something serious, it's valuable to know when to see a specialist for advice. Dr John Martin, a gastroenterologist, explains the causes of bloating so that you know when to seek medical help.

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05/12/2019

Dr John Martin

Gastroenterologist

Dysmotility: a focus on the oesophagus

Oesophageal dysmotility is a condition in which the muscles in the oesophageal wall fail to contract as they should. This may result in discomfort and/or difficulty in swallowing. Dr John Martin is an expert in treating dysmotility of the intestine, and here he explains in detail about causes and treatment of dysmotility in the oesophagus.

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27/11/2019

Dr John Martin

Gastroenterologist

Intestinal dysmotility: causes and treatments explained

Intestinal dysmotility is a common condition that causes a wide range of different symptoms with variable severity. Dr John Martin, a gastroenterologist with expertise in all aspects of gastroenterology, explains what this condition is and the treatment options you may be offered.

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09/10/2019

Dr John Martin

Gastroenterologist

What to expect after a colonoscopy?

Have you been told that you need a colonoscopy? A colonoscopy allows your doctor to take a look at your colon and rectum to find cancer or polyps. It is a safe examination with very few risks. Dr John Martin tells us a bit more about what to expect after a colonoscopy and what recovery looks like.