Cat Chronic Kidney Disease Management

Chronic kidney disease (CKD) is the most common cause of death in older cats, and proactive management significantly extends comfortable life.

Key Facts

CKD affects around 30-40% of cats over 10 years of age
Early CKD (stage 1-2) can be managed for years with appropriate diet and monitoring
Phosphorus restriction is the most important dietary modification for CKD cats
Dehydration worsens CKD progression — cats with CKD benefit greatly from increased water intake
Anti-nausea medication, phosphate binders and potassium supplementation improve quality of life

Welfare Considerations

CKD causes a gradual decline in kidney function that affects virtually every body system. Toxin accumulation causes nausea, reduced appetite, lethargy and weight loss. The disease is not painful in the conventional sense but causes significant discomfort and reduced quality of life. Early detection through annual blood and urine testing allows intervention before clinical signs appear. Dietary management — reduced phosphorus, adequate high-quality protein, increased moisture — significantly slows progression. Subcutaneous fluid therapy at home is an important and learnable welfare intervention for advanced CKD.

What You Can Do

Test senior cats annually for CKD with blood and urine analysis from age 7
Switch CKD cats to a veterinary-prescribed renal diet promptly after diagnosis
Ensure CKD cats have abundant fresh water and consider a water fountain
Ask your vet about home subcutaneous fluid therapy for cats with advanced CKD