Dr Aathavan Loganayagam

Expert Gastrointestinal Care in London

Dr. Aathavan Loganayagam is a premier Consultant Gastroenterologist serving the South London community. His clinical practice is dedicated to providing rapid, accurate diagnoses and evidence-based treatment plans for a comprehensive range of digestive health conditions.

Dr. Loganayagam specializes in the management of complex Inflammatory Bowel Disease (IBD)—including Crohn’s Disease and Ulcerative Colitis—as well as Irritable Bowel Syndrome (IBS), acid reflux (GORD/GERD), and Coeliac Disease. He is a leading specialist for patients seeking relief from symptoms such as:

• Persistent abdominal pain and bloating
• Chronic indigestion and heartburn
• Diarrhoea, constipation, or rectal bleeding
• Unexplained changes in bowel habits

JAG Accredited Endoscopist & Clinical Leadership

As a JAG accredited endoscopist, Dr. Loganayagam maintains the highest national standards for procedural safety, quality, and patient comfort. He currently serves as the Lead Clinician for Endoscopy at Queen Elizabeth Hospital, Woolwich (part of the Lewisham and Greenwich NHS Trust).

He offers expert diagnostic and therapeutic procedures, including:

• Gastroscopy (Upper GI Endoscopy)
• Colonoscopy and Sigmoidoscopy (including advanced polypectomy)
• Video Capsule Endoscopy (Pill camera)

To ensure the best possible patient experience, Dr. Loganayagam offers a personalized approach to procedures, providing a choice of local anaesthetic, conscious (mild) sedation, or deep sedation based on patient preference and clinical suitability.

Elite Medical Training and Award-Winning Research

Dr. Loganayagam trained at the world-renowned Guy’s, King’s and St. Thomas’ medical schools and completed his advanced specialty training within the South London gastroenterology programme.

His significant contributions to the field of Personalised Medicine and IBD research at Guy’s and St Thomas’ Hospitals have been recognized with multiple grants and the prestigious NHS Innovation London Award. This research background allows him to utilize the most modern, novel therapeutic agents for patients with complex gastrointestinal conditions.

Commitment to Medical Excellence and Education

Beyond his clinical practice, Dr. Loganayagam is a respected medical educator and examiner. He is deeply involved in:

• Training and Examining: Mentoring medical students and post-graduate doctors.
• MRCP Examinations: Contributing to the quality assurance of examinations for the Royal College of Physicians (UK).
• International Standards: Writing for the European Specialty Examination in Gastroenterology and Hepatology.

A Patient-Centered Philosophy

Dr. Loganayagam is an approachable consultant who believes that clear communication and empathy are the cornerstones of outstanding medical care. He is committed to ensuring every patient feels fully informed, listened to, and actively involved in all decisions regarding their digestive health journey.