September 24, 2026
Protein in the Urine: What It Signals
Why protein leaks into urine and what proteinuria means for kidney health.
Medically Reviewed By
Artemis Kidney Hospital Nephrology & Transplant Team
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Protein in the urine (proteinuria) is an early and important sign of kidney damage — healthy kidneys retain protein in the blood.
Common causes include diabetes, high blood pressure, glomerulonephritis, and urinary infection. A urine albumin test confirms the leak.
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.
This article is part of
The Complete Kidney Transplant & Care Guide for India →Have Questions?
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Keywords
protein in urineproteinuriaurine protein causes