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September 27, 2026

Dehydration and the Kidneys

How dehydration can stress or injure the kidneys, and how much to drink.

Medically Reviewed By

Artemis Kidney Hospital Nephrology & Transplant Team

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Severe or repeated dehydration reduces blood flow to the kidneys and can cause acute kidney injury. For most healthy people, drinking to keep urine pale is a good guide. In advanced kidney disease, fluid may instead be restricted.

Medical Disclaimer

This article is for general education only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified nephrologist about your own condition.

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Keywords

dehydration kidneydehydration kidney damagewater kidney injury