This was an "alarming figure" and Hazeldine said his own research showed stress and burnout was contributing to an increase in medical errors.
"Doctors haven't been taking care of their own health because we've been operating under the paradigm that we should sacrifice ourselves to look after our patients.
"Globally, there's already been a shift with the medical profession now starting to acknowledge there's a problem.
"A change in the declaration will be the official acknowledgement we need.''
He was confident the change would be ratified.
"There's been no resistance so far, everyone agrees it's time for a change and the fact most recognise that is great.
"We've got to first acknowledge the problem to solve it.
"Once we've done that we can start working on solutions and that's where my energy is now.''
The Declaration of Geneva was adopted in 1948 as a global standard of medical ethics and humanitarianism after the atrocities committed during WWII.
It has only been amended three times in its almost 70-year history.