Dr O’Loughlin graduated from Sydney University medical school in 1977 and undertook his paediatric training at the Royal Alexandra Hospital for Children in Camperdown and a Gastrointestinal fellowship in Calgary Canada. He has practised as a paediatric gastroenterologist since 1986 at Camperdown (1986-1990 as Senior Lecturer in the University Dept of Paediatrics), John Hunter Hospital Newcastle (1991-5, first staff specialist in paediatric gastro) and The Children’s Hospital at Westmead (1995-present).

Dr O’Loughlin is heavily engaged in teaching junior doctors in the finer points of gastroenterology and has published widely in the field of gastroenterology with over a hundred peer reviewed publications. While not a great admirer of bureaucracy, he did serve as head of department of Gastroenterology for 6 years. 

Interests include:

Dr O’Loughlin has extensive experience across a range of paediatric gastrointestinal areas including:

• Liver disease, liver transplant, gastrointestinal motility and functional disorders
• Luminal diseases such as chronic inflammatory bowel and allergic disease, nutritional disorders and artificial nutrition
• Gastrointestinal and nutritional disorders of children with developmental disorders
• Upper and lower endoscopic procedures, including some interventional endoscopy