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About Hyperoxaluria

Enteric Hyperoxaluria

What is enteric hyperoxaluria?

  • Hyperoxaluria is a condition in which there are high levels of oxalate in the urine. People with hyperoxaluria are at an increased risk for kidney stones or other kidney damage.
  • Oxalate is found naturally in foods like spinach, nuts, chocolate, and tea. It is also a normal byproduct of metabolism. Normally, it is removed through the stool. However, if you have hyperoxaluria, the excess oxalate is normally removed by the kidneys through your urine.
  • When there is too much oxalate in your urine, it can form crystals. These crystals may cause inflammation or grow into kidney stones.
  • Enteric hyperoxaluria occurs in people with an underlying gastrointestinal condition that leads to absorption of too much oxalate from foods.
    • Examples of these conditions include: Crohn’s disease and other inflammatory bowel diseases or disorders of the pancreas due to cystic fibrosis or pancreatitis.
  • You can also develop enteric hyperoxaluria after certain gastric bypass surgeries or surgery to remove a section of the intestine.


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