The availability of humane euthanasia for companion animals creates complex ethical obligations around when and how to use this welfare tool.
Companion animal euthanasia is one of the most welfare-positive tools available in veterinary medicine when used appropriately — and one of the most welfare-negative missed opportunities when delayed too long. The ethical obligation is to prioritize the animal quality of life over owner emotional readiness, using structured quality of life assessments to identify when the animal is experiencing more bad days than good. Delaying a peaceful, pain-free death to avoid personal grief prolongs animal suffering and represents a failure of the care relationship.