how do you know that you suffer form kidney failure

Renal failure is a medical condition in which the kidneys fail to adequately filter waste products from the blood. The two main forms are acute kidney injury , which is often reversible with adequate treatment, and chronic kidney disease , which is often not reversible.

What is acute kidney injury?

Acute kidney injury (also called acute renal failure ) means that your kidneys have suddenly stopped working.Your kidneys remove waste products and help balance water and salt and other minerals ( electrolytes ) in your blood .Acute kidney failure can be fatal and requires intensive treatment.However, acute kidney failure may be reversible.If you're otherwise in good health, you may recover normal kidney function.
What causes kidney failure?

Acute kidney failure can occur when:

You have a condition that slows blood flow to your kidneys.You experience direct damage to your kidneys.Your kidneys' urine drainage tubes (ureters) become blocked and wastes can't leave your body through your urine.

Use of aspirin, ibuprofen (Advil, Motrin IB, others), naproxen (Aleve, others), or related drugs.Blood or fluid loss.Blood pressure medications.Heart attack.Heart disease.Liver failure.Severe allergic reaction (anaphylaxis).Severe burns.Severe dehydration.etc.

Symptom

Decreased urine output, although occasionally urine output remains normal.Fluid retention, causing swelling in your legs, ankles or feet.Drowsiness.Shortness of breath.Confusion.Fatigue.Nausea.Chest pain or pressure.Seizures or coma in severe cases.

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