Dr. Lydia Wong is a consultant in Paediatric Allergy, Immunology, and Rheumatology at the National University Hospital. She specializes in food and drug allergies, particularly shellfish, and uses oral immunotherapy for food allergies. Her clinical interests also include allergic rhinitis and allergy diagnosis through patch tests.

Dr. Wong has extensive experience in allergy research, having led studies on shellfish allergies and oral immunotherapy trials. As an Assistant Professor at the Yong Loo Lin School of Medicine, she is also a respected academic and contributor to allergy-related publications.