Write a similar analysis as to when we see symptoms of kidney failure and immediate action by the victim I wish to know my kidney functionality, right now I am 63 years old, my kidneys are functioning properly, still I want to make sure, I have no problem with my kidneys. I want to know when do we get first symptoms of kidney problems if any and how do they appear. I am taking prostrate tablet every day since 5 years. I urinate once or twice at nights.