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Bun/Creat Ratio and BUN Blood Test Results
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Bun/Creat Ratio and BUN Blood Test Results

I noticed that I was urinating more frequently and increased volume.

I had a blood test.  Everything was normal except BUN - 44 (top of range is 18) and BUN/Creat Ratio - 47 (top of range 20).  I also had a urine test that indicated Leuk as large and WBC - 64 (top of range is 3).  Took a course of Cipro.  Had Ultrasound for kidneys.  Ultrasound indicated tiny renal cysts on right kidney.  No other issues.  

Had another blood test.  BUN is now 40 and BUN/Creat Ratio is 36.  There are still Leuk in my urine (Dr. office did a quick stick test in the office)  What could be causing these elevated levels for BUN and BUN/Creat Ratio.  Is there anything I can do?  Are these elevated levels causing damage to my kidneys?

I never had any kidney issues before other than a urinary tract infection several years ago.

Thank you.
Avatar dr f tn
Hello and hope you are doing well.

BUN or blood urea nitrogen can be elevated due to high protein intake, inadequate fluid intake or poor circulation. As the BUN to creatinine ratio is high, the most probable cause is dehydration, lack of intake of adequate fluids. So, drink adequate fluids and rec check your values.

Hope this helped and do keep us posted.
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