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Answers (7)
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Swelling, especially of the legs and feet.
Little or no urine output.
Thirst and a dry mouth.
Rapid heart rate.
Feeling dizzy when you stand up.
Loss of appetite, nausea, and vomiting.
Feeling confused, anxious and restless, or sleepy.
Pain on one side of the back, just below the rib cage and above the waist (flank pain).
see for more :http://www.webmd.com/a-to-z-guides/acute-renal-failure-symptoms