eGFR & Kidney Health Blog
In-depth articles on eGFR, CKD stages, creatinine, kidney-friendly living, and reading your lab results.
eGFR Stage 3 CKD: Diet, Symptoms & Slowing Progression
A practical guide to CKD stage 3 (eGFR 30–59): common symptoms, what to eat and limit, key treatments, and lifestyle steps that slow kidney decline.
Low eGFR Causes Beyond Kidney Disease: Dehydration, Diet & Drugs
A lower-than-expected eGFR does not always mean CKD. Learn the common non-kidney causes — dehydration, diet, medications, exercise — and when to retest.
eGFR Normal Range for Women vs Men: Does Sex Change Results?
How biological sex affects eGFR, why the CKD-EPI 2021 equation includes a sex coefficient, and whether normal eGFR differs between women and men.
eGFR and Medication Dosing: Metformin, Gabapentin & Renal Adjustment
How eGFR guides medication dosing for kidney-safe prescriptions, with renal dosing examples for metformin, gabapentin, and other common drugs across CKD stages.
CKD-EPI 2021 vs MDRD: Which eGFR Equation Is More Accurate?
How the CKD-EPI 2021 equation compares to the older MDRD formula, why CKD-EPI replaced it, and what changed when race was removed from the calculation.
Creatinine Clearance vs eGFR: What's the Difference?
Creatinine clearance (Cockcroft-Gault) and eGFR (CKD-EPI) measure related but different things. Learn how they differ, when each is used, and why they are not interchangeable.
How to Calculate eGFR from Serum Creatinine (CKD-EPI 2021)
Step-by-step guide to calculating eGFR from serum creatinine, age, and sex using the CKD-EPI 2021 equation, with units, a worked example, and accuracy tips.
eGFR 60 Meaning: Is It Stage 2 Kidney Disease?
What an eGFR of 60 really means, how CKD stage G2 is defined, when an eGFR of 60–89 is concerning, and the next steps to take after your blood test.
What Is a Good eGFR Level by Age? Normal Ranges Chart
A clear chart of normal eGFR ranges by age, what a 'good' eGFR means, how aging affects kidney function, and when a lower number is actually normal.
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