Chronic kidney disease is one of the most common conditions in older dogs, and evidence-based management can significantly extend quality of life and reduce suffering for affected animals.
Chronic kidney disease causes progressive suffering through toxin accumulation, nausea, lethargy and eventually severe systemic deterioration. The welfare goal in managing affected dogs is not simply extending life but maintaining quality of life across the remaining years. Evidence-based dietary management and hydration support genuinely slow disease progression and improve symptom burden. The decision about treatment intensity should be guided by quality of life assessment rather than laboratory values alone — a dog with stable kidney markers but poor quality of life warrants a different management conversation than a dog with worse markers but good appetite and engagement. Owner education and veterinary partnership in quality of life monitoring are central to good welfare outcomes in kidney disease.