Cognitive dysfunction syndrome is the canine equivalent of dementia, affecting a significant proportion of older dogs. Early recognition and management improves welfare in affected animals.
Cognitive dysfunction syndrome causes progressive confusion and anxiety as dogs lose their ability to recognize familiar environments and people. Nighttime restlessness and vocalization suggests disorientation and anxiety during a particularly vulnerable period. House soiling in a previously reliable dog is often a welfare indicator rather than a behavioral problem. Dogs with CDS may appear lost in familiar spaces and seek reassurance with increased clinginess or conversely withdraw. Maintaining routine, environmental familiarity, and providing appropriate medical support preserves quality of life longer. As the condition progresses, quality of life assessment becomes increasingly important.