had a 10-year-old Pekingese who was always healthy & he suddenly was diagnosed with kidney failure. I spent $3,000 over a 3 month period along with daily sub Q fluids & the day I knew he was suffering was the day he went to the Rainbow Bridge.
I did a lot research about kidney failure and apparently dogs do not survive as well as cats with this disease.
It's one of those horrible situations you are faced with making a decision. I'm sure you will know when the time is right.