How can someone suspect they have kidney failure? typically, what are the noticeable symptoms?

See below: Initially in early renal failure you have no symptoms. They develop only late in the renal failure- when one develops swelling, nausea, vomiting, distaste for food, inability to concentrate, varying degrees of mental status changes, itching etc.- practically involves every organ. In chronic renal failure this can take several years. In acute renal failure this can occur within few days. Lab work.