A 32-year-old member asked:
what is the most likely reason for having an abnormally high blood urea level?
1 doctor answer
Dr. S. Smiley Thakur answered
30 years experience Nephrology and Dialysis
Co-tango usually: The BUN is usually 10 times the creatinine. When the creatinine goes up, the BUN goes up similarly to roughly keep this proportion, in most kidney disease states. The notable exception is when the creatinine goes up say by 20% to 1.2, but the BUN goes up *5 to 50. This strongly suggests a pre-renal state, commonly dehydration. Mild elevations of BUN with normal creatinines aren't of concern.
Answered on Jun 26, 2016
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