Kidney health, explained in plain language.

Clear, calm answers about kidney disease, stones, tests, dialysis, transplant and diet — each one reviewed by a specialist, so you can understand what's happening and what to do next.

Browse every kidney topic

Pick a category, or use the search above. Every article opens with a one-line answer, then goes deeper — and tells you who reviewed it and when.

Conditions Chronic kidney disease: stages 1–5 explained Reviewed · 11 min read Conditions Stage 3 kidney disease: what it means Reviewed · 9 min read Conditions Stage 4 kidney disease: preparing ahead Reviewed · 9 min read Conditions Stage 5 kidney disease & kidney failure Reviewed · 10 min read Conditions Diabetic nephropathy: diabetes & your kidneys Reviewed · 9 min read Conditions Polycystic kidney disease (PKD) Reviewed · 8 min read Conditions Kidney failure: emergency care & options Reviewed · 10 min read Kidney stones Kidney stones: symptoms, causes & treatment Reviewed · 9 min read Kidney stones Kidney stone symptoms: is this a stone? Reviewed · 6 min read Kidney stones Types of kidney stones & what causes them Reviewed · 7 min read Tests & results eGFR blood test: reading your result Reviewed · 7 min read Tests & results Creatinine levels: normal range explained Reviewed · 7 min read Tests & results Understanding kidney function tests Reviewed · 7 min read Tests & results BUN-to-creatinine ratio: what it tells you Reviewed · 8 min read Free tool eGFR calculator: check your kidney function Reviewed · 6 min read Treatment Dialysis treatment: your options explained Reviewed · 9 min read Treatment Hemodialysis: how it works Reviewed · 8 min read Treatment Peritoneal dialysis: dialysis at home Reviewed · 8 min read Treatment Kidney transplant: the process step by step Reviewed · 12 min read Treatment Living kidney donor: how donation works Reviewed · 9 min read Diet Kidney diet: what to eat and what to limit Reviewed · 8 min read Diet CKD diet: eating for chronic kidney disease Reviewed · 8 min read Diet Low-sodium diet for kidney & heart health Reviewed · 7 min read Diet Potassium management on a kidney diet Reviewed · 7 min read Diet Dialysis diet: eating well on dialysis Reviewed · 8 min read

Free tools

Not sure where to start? Use a free tool.

Quick, private and free. These tools help you make sense of your numbers or symptoms — they don't diagnose, and they never replace your clinician. If something worries you, always speak to a doctor.

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eGFR calculator

Enter your creatinine, age and sex to estimate your kidney filtration rate (eGFR) and see which CKD stage it falls in.

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Kidney symptom checker

Answer a few plain-language questions about how you're feeling and get a clear next step — including when to seek care.

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Kidney pain assessment

Not sure if that ache is your kidney? Locate and describe the pain to understand what it might mean and how urgent it is.

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Our editorial standards

Why you can trust what you read here

Kidney information is high-stakes — the wrong answer can cause real harm. So every article on KidneyGlobal follows the same process before it goes live, and shows you exactly who stands behind it.

Reviewed by nephrologists

Every article is reviewed by a practising kidney specialist before it's published.

One-line answer first

Each article opens with the key point in plain language, then goes deeper — so you never have to dig for the answer.

Reviewed and dated

Every article shows who reviewed it and when, so you always know the source and its freshness.