 child always takes their phosphorus binder as prescribed. Acute kidney failure can result from an abrupt decline in the organ function that happens over time from ingesting toxins, certain medications, tainted foods, etc. Other conditions include urinary obstruction, infections, and decreased flow of blood or oxygen to the kidneys. According to a study, the average life expectancy of a dog diagnosed with kidney failure can range between 112 to 326 days. However, as bleak as it may seem, the right diet and proper care can show the progression of the disease and your dog may live several years if the diagnosis and treatment are taken care of on time.