Dr. Maude St-Onge practices critical care medicine at the CHU de Québec-Université Laval. She completed her residency in emergency medicine at Université Laval, and then completed her training as a critical care medicine specialist, as well as training in toxicology at the University of Toronto. She also completed a master’s degree in Public Health at Université Laval and a doctoral degree in Medical Sciences at the University of Toronto.

Dr. St-Onge is also a toxicologist, and is currently the medical director of the Québec Poison Control Center. Her research interests mainly concern the area of acute care toxicology. Her research program aims to identify the risks, the benefits, and the costs associated with the administration of activated charcoal to intoxicated patients. She is also interested in the care of indigenous poisoned patients.