Canine cognitive dysfunction syndrome — the dog equivalent of dementia — affects a significant proportion of older dogs, causing disorientation, sleep disruption, and anxiety that requires active welfare management.
Cognitive dysfunction welfare requires that owners recognise the condition rather than attributing progressive signs to inevitable aging, and that veterinarians prompt discussion of CDS risk in routine senior wellness checks. Dogs experiencing disorientation, night waking, and anxiety from CDS are genuinely distressed — these are not mere inconveniences but welfare problems requiring active management. Early intervention with appropriate medication, environmental adaptation, and mental enrichment can slow progression and maintain quality of life for a meaningful period. The decision about when quality of life has deteriorated beyond acceptable thresholds requires ongoing assessment using validated tools and honest conversations with veterinarians, parallel to the euthanasia timing decisions required for any progressive terminal condition.