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High Urea: What It Means
✓ Fact-checked against sourced references · Editorial standards
Urea is a waste product of protein metabolism that the kidneys normally clear. A high level can signal kidney stress.
Other causes
High urea can also arise from dehydration, a high-protein diet, gut bleeding, or certain medicines — not only kidney disease.
Frequently asked questions
Is high urea dangerous?
Very high urea can cause confusion and nausea. The underlying cause should be treated promptly.
Sources
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Educational only. This guide is general kidney-care information, not individual medical advice.