Understanding eGFR: Why Does It Fluctuate?

Discover why eGFR levels fluctuate, including factors like hydration, diet, and medications. Learn how it affects kidney health.

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eGFR (estimated glomerular filtration rate) fluctuates due to various factors. Hydration levels affect kidney function, causing temporary changes. Medications and diet can impact results, as can recent high protein intake. Physical activity might also alter eGFR temporarily. Chronic changes often indicate underlying kidney issues, but short-term fluctuations are common. Always discuss with a healthcare professional to understand your specific situation.

FAQs & Answers

  1. What causes eGFR to fluctuate? eGFR can fluctuate due to hydration, diet, medications, and physical activity. Short-term changes are usually normal.
  2. How often should I check my eGFR? It's recommended to check your eGFR regularly, especially if you have risk factors for kidney disease. Consult your doctor for a schedule.
  3. Can diet affect my eGFR levels? Yes, high protein intake and other dietary factors can temporarily influence eGFR results.
  4. When should I be concerned about my eGFR? Chronic changes in eGFR levels may indicate underlying kidney issues and should be discussed with a healthcare professional.