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Acute renal failure, or acute kidney failure, is a sudden loss of kidney function. The kidney has a critical job filtering out the blood from toxins and chemicals, and when the kidney is unable to function properly, the body may become overloaded with toxins, creating an imbalance in chemical makeup in the bloodstream. Acute renal failure occurs over a few hours or days unlike chronic renal failure, which occurs over a number of years. It is more common among people who are hospitalized and individuals who have compromised immune systems or are critically ill. These ten symptoms of acute renal failure may help you determine whether you or a loved one are experiencing kidney failure.

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1. Swelling and fluid retention

The kidneys flush out excess fluids and electrolytes from the body, and pass them on to the bladder to eventually be eliminated. If this is not possible due to kidney failure, the fluids may be retained in the body leading to swelling—especially in the legs, ankles, and feet.

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