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Gastroenterology
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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 a:
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:
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.
Irritable Bowel Syndrome (IBS), Inflammatory Bowel Diseases (IBD) such as ulcerative Colitis or Crohn's Disease, Hepatology, Pancreaticobiliary Medicine (Bile Ducts & Pancreas)
Tamil, English
MBBS BSc MRCP
General Medical Council: 4742373
New appointment: £280
Follow-up appointment: £200
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