IL
A 42-year-old female asked:
My bun/creatinine is 31.9 but i drink 2 liters of water every day. i have had a lot of kidney stones in the past. could this high number just be from kidney damage? thanks?
3 doctor answers • 3 doctors weighed in
Dr. Clarence Grimanswered
Endocrinology 59 years experience
Need normal values for BUN/Creat for your lab. Would track back and plot as far as you can to see if trend. Discuss with your Dr as to what may be causing it. There are many causes and not stones unless they have damaged kidneys;
Created for people with ongoing healthcare needs but benefits everyone.
Answered Nov 18, 2021
Dr. Hiep Leanswered
Nephrology and Dialysis 44 years experience
The ratio BUN/creatinine does not have much meaning about your kidney function. If the ratio is above 40, low volume or significant heart problem can cause that. If you eat a high protein diet or take steroids on the previous days before the blood test, the ratio is also high. E.g. BUN 30, creatinine 0.8, ratio 37.5, kidney function is likely normal, BUN can be high due to various reasons.
Created for people with ongoing healthcare needs but benefits everyone.
Answered Nov 18, 2021
Dr. Birendra Tandananswered
Urology 36 years experience
No. serum creatinine is the best common test for kidney function. If you were adequately treated and did not have prolonged obstruction from the stones their would be no or insignificant damage from stones. Keep up the water. You will be fine
Created for people with ongoing healthcare needs but benefits everyone.
Answered Nov 23, 2021
Last updated Nov 23, 2021
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