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What Stage Kidney Disease Is with Creatinine 2.9 and BUN 45

What Stage Kidney Disease Is with Creatinine 2.9 and BUN 45Both creatinine and BUN are two reliable indicators to reflect how well kidneys are functioning. Also, creatinine, compared with BUN is more accurate. If you happen to have creatinine 2.9 and BUN 45, you may ask: what stage kidney disease you stay. Follow me to find the answer today.

Normal creatinine and BUN level

Creatinine is by-product of creatine metabolism, while blood urea nitrogen is one terminal product of protein metabolism. Normally, healthy kidneys are responsible for removing them out of the body. Since our kidneys have strong compensatory ability, they can still work properly although they are damaged to some extent. For healthy people, their creatinine ranges from 0.5~1.3 mg/dl, and BUN ranges from 9 ~20 mg/dl.

Creatinine 2.9 and BUN 45

Creatinine 2.9 and BUN 45 are both much higher than the normal values. As introduced by nephrologists, they are more likely to indicate kidney disease has aggravated into at least stage 3. In this case, kidneys can still play their own function, but the workload on remaining kidney functioning tissues may speed up the aggravation of kidney disease. To determine which stage kidney disease you are, you should examine your GFR level with doctor’s help. At present, GFR is the most reliable indicator for kidney function level.

What should we do with creatinine 2.9 and BUN 45?

Since kidneys have been attacked, the urgent thing we have to do is to protect the residual kidney functioning cells and fix damaged kidney inherent cells. Only if kidneys do their work normally, can creatinine level and BUN level reduce spontaneously. Here, we are unable to give out personalized medical or diet advices for you, because patients’ illness condition differs from case to case.

If you are trying to develop a correct medical and dietary therapy, you can send your medical test or illness description to or We are glad to help.

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