This is an open secret in the healthcare profession; people really don't like to talk about it, but doctors definitely will allow the administration of a lethal

This is an open secret in the healthcare profession; people really don't like to talk about it, but doctors definitely will allow the administration of a lethal dose of morphine to a suffering patient because there is quite literally no better alternative. There's even a safety interlock on the infusion machine that the doctor has to provide the override codes for to go beyond the safe dose.