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Kidney BUN is at 45 and Creatinine 4.3, What does This Mean

Kidney BUN is at 45 and Creatinine 4.3, What does This Mean"Hi, the lab results of my blood work showed my BUN level is 45, and creatinine is 4.3. I was wondering what those elevated levels could mean? Thanks!"

Answer: BUN and creatinine tests are performed to measure kidney function, filtration and overall organ health. Normally, most of urea and creatinine are removed from the bloodstream by the kidneys. When the kidneys aren't functioning as well as they should, these substances will build up in the blood, causing elevated levels in these tests. So, your BUN 45 and creatinine 4.3 may indicate severe kidney problem.

Hopefully you will get the exact answer from your doctor soon, but just let you know, your BUN and creatinine levels are extremely high. The average person with healthy kidneys has a blood urea nitrogen 10-20 and creatinine 0.5-1.2. Each 0.3 that the creatinine goes up signifies a percentage of kidney function that you have lost. So, as you can see, your levels are already very high. Generally, that means that you have lost a lot of kidney function and may be at Stage 3 CKD.

You can Email us at with more about your health condition such as medical history, etc. Then we can offer your more precise assessment and advice.

Fortunately, effective treatments are available to help people with BUN 45 and creatinine 4.3 to avoid dialysis and Kidney Failure. One of the systematic therapies is called Clear Blood Pollution Therapy.

As the latest treatment for kidney disease, Clear Blood Pollution Therapy can take effect to remove the blood stasis, repair the kidney damage and recover the renal function. In this way, your BUN 45 and creatinine 4.3 will be controlled to normal range. This is a personalized treatment, so if you want to confirm whether you are suitable to get this therapy, feel free to chat with our online doctor or leave a message in the below.

  • Tag: High BUN Level
  • previous:Why are My BUN and Creatinine Levels Still High after Dialysis
    next:Renal Failure: Best Way to Lower Serum Creatinine 2.4 and BUN 47

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