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Published on: 5/21/2025

Can Decreased Urine Output Indicate Kidney Failure?

Yes, decreased urine output can indicate kidney failure, as it is often a sign of acute kidney injury (AKI), where the kidneys suddenly can't filter waste from the blood effectively.

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Explanation

Decreased urine output, also known as oliguria, can be a sign of acute kidney injury (AKI). AKI is a condition where the kidneys suddenly fail to work properly. Urine output is a key indicator of kidney health.

Why Urine Output Matters

  • Kidney Function: The kidneys filter waste from the blood and produce urine. When urine output decreases, it might mean the kidneys are not working well.
  • Acute Kidney Injury (AKI): This is a sudden drop in kidney function, often detected by decreased urine output. If the kidneys can't filter waste, it can lead to serious health problems.

What to Watch For

  • Decreased Urine Output: If you notice you are urinating less than usual, it could be a warning sign.
  • Other Symptoms: Look for swelling, fatigue, or confusion, which can also suggest kidney issues.

If you suspect kidney problems, it is important to seek medical advice. Early detection and treatment can help prevent further complications.

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