Paediatric gastroenterology

Babu Vadamalayan image

Dr Babu Vadamalayan

Consultant Paediatric Gastroenterologist

MBBS, MRCPCH (UK), DCH (Lond), Diploma in Paed Nutrition (Lond), MSc, Certificate in DBE (Japan), FR

Year qualified:


GMC No. or equivalent


Primary speciality:

Paediatric gastroenterology

Specialist interests:
  • Recurrent Vomiting ( including Gastro esophageal reflux)
  • Chronic diarrhea (including IBS-Irritable Bowel Syndrome)
  • Recurrent abdominal pain
  • Chronic Constipation and soiling (including Hirschprung disease)
  • Food allergies including Lactose and Cow’s milk intolerance, Gluten intolerance and Eosinophillic disease
  • Faltering growth-Poor weight gain and weight loss
  • Celiac disease and enteropathy
  • IBD (Crohn's disease and Ulcerative colitis)
  • Blood in stools (including polyps in colon )
  • Diagnostic and therapeutic Paediatric endoscopy (including Gastroscopy, Colonoscopy, Capsule enteroscopy, stricture dilatation and polypectomy)
  • pH studies and breath tests
  • Pancreatic function tests
  • Children with liver conditions and related GI problems
Professional memberships:

Royal College of Paediatrics and Child Health (UK)
Royal College of Physicians (Australia)
British Society of Paediatric Gastroenterology and Nutrition
European Society of Paediatric Gastroenterology and Nutrition
British Medical Association
Medical and Dental Defence Union of Scotland


+44 (0)20 3129 8486

Consulting address:

Guthrie Clinic
King's College Hospital
NHS Foundation Trust
Denmark Hill
London SE5 9RS

Clinic times:

By appointment


Dr Babu Vadamalayan has more than 18 years’ of experience in treating children with  GI problems and he is the lead Paediatric Gastroenterology consultant in Paediatric GI, Liver and Nutrition center at King’s. He qualified in 1996 with a Bachelor of Medicine, then completed  fellowship at the Royal College of Paediatrics in 2001 and  Diploma in Paediatric Nutrition in 2006. He gained experience in various international centers of excellence including UK,  Australia (Sydney & Melbourne) and Japan (Jichi Medical Centre). His research interests includes GERD, Eosinophillic esophagitis, Constipation, IBS and IBD. He has also authored chapters in Textbooks of Paediatric Gastroenterology and lectures in national and international meetings. Dr Vadamalayan is also the Chair for Endoscopy  group in UK (British Society of Paediatric Gastroenterology and Hepatology, 2018-2021) and he is one of the few GI specialists to provide balloon enteroscopy service for children in UK. He also trains pediatric junior doctors to perform paediatric endoscopy and run regular endoscopy courses.


Dr Vadamalayan treats children from 0-18 years of age with above gastrointestinal conditions and also complex GI conditions . He arranges noninvasive tests like stool (for calprotectin), Ultrasound, MRI,  pH studies, hydrogen breath tests , food allergy tests and pancreatic function tests appropriately prior to considering diagnostic / therapeutic  gastroscopy, colonoscopy or enteroscopy.

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