What is acute kidney failure?

Acute kidney failure happens when your kidneys suddenly lose the ability to eliminate excess salts, fluids, and waste materials from the blood. This elimination is the core of your kidneys’ main function. Body fluids can rise to dangerous levels when kidneys lose their filtering ability. The condition will also cause electrolytes and waste material to accumulate in your body, which can also be life-threatening.

Acute kidney failure is also called acute kidney injury or acute renal failure. It’s common in people who are already in the hospital. It may develop rapidly over a few hours. It can also develop over a few days to weeks. People who are critically ill and need intensive care have the highest risk of developing acute kidney failure.

Acute kidney failure can be life-threatening and requires intensive treatment. However, it may be reversible. If you’re in good health otherwise, recovery is possible.

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