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what are normal blood urea nitrogen levels

A 41-year-old member asked:
Dr. Robert Bennett
30 years experience Urology
Bun: Could be bad. Could be dehydration. Depends how high and the urinslysis.
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3 thanks
Dr. Jack Rubin
48 years experience Nephrology and Dialysis
Bad high BUN levels?: A high BUN by itself rarely gives any information. Blood urine nitrogen (BUN) is a product of protein (p) metabolism. Pt with a low p intake will have ... Read More

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A 31-year-old member asked:
Dr. Asaf Presente
16 years experience Pulmonary Critical Care
Kidney issue: In general, a high BUN is indicative of an issue with kidney function or overall dehydration. All blood tests need to be interpreted in context.
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A 30-year-old member asked:
Dr. Quresh Khairullah
42 years experience Nephrology and Dialysis
See below: High urea level can reflect dehydration , other causes include high protein intake, and decreased kidney function.
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1 thank
A 30-year-old member asked:
Dr. Alok Agrawal
34 years experience Nephrology and Dialysis
Yes: High creatinine and BUN occur in poor kidney function. High potassium levels can occur when kidney function is poor because kidney cannot get rid of p ... Read More
A 45-year-old member asked:
Dr. Kalyani Perumal
29 years experience Nephrology and Dialysis
kidney dysfunction: Creatinine is a byproduct of muscle metabolism and is excreted by the kidneys. High serum creatinine generally indicate kidney damage.High levels can ... Read More
A female asked:
Dr. Douglas Arenberg
31 years experience Pulmonary Critical Care
First things 1st.: Why did you have the test? No test should be interpreted in a vacuum. Most of the time the abnormality described is pretty meaningless. But attempting ... Read More
A 30-year-old member asked:
Dr. Richard Bensinger
52 years experience Ophthalmology
Liver chemical: This is a measurement of a concentration of urea in the blood stream and is related to the health of the liver. If the liver is dysfunctional, the le ... Read More
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A 28-year-old male asked:
Dr. Marshall Kaplan
54 years experience Urology
Metabolic waste : It's level helps evaluate renal function elevation can mean poor renal function or GI bleeding.
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1 thank
A 37-year-old member asked:
Dr. Alok Agrawal
34 years experience Nephrology and Dialysis
Normal: Seems normal- however could be slightly abnormal if this is a 90 yr old emaciated female or a very small child.
A 47-year-old member asked:
Dr. Ed Friedlander
44 years experience Pathology
Sounds fine: They are a little bit high if you're a female, and your kidneys may not be working quite so well as a healthy young person's, but if you are a muscula ... Read More
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1 thank

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