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Doctor insights on: Prerenal Azotemia Bun Creatinine Values

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Neurogenic bladder. Can bun 74 creatinine 2.5 values improve with b12? It went down to 44/1.5. Does the ratio indicate azotemia or urinary retention?

Neurogenic bladder. Can bun 74 creatinine 2.5 values improve with b12? It went down to 44/1.5.  Does the ratio indicate azotemia or urinary retention?

Renal impairment: While those values suggest dehydration, you could have more than just a bladder problem such as poorly functioning kidneys (renal impairment). Ask you doctor if referral to a urologist is appropriate - sounds like it is. Hope this helps! ...Read more

Dr. Madhu Kandarpa
2,192 doctors shared insights

Creatinine (Definition)

Creatinine is a byproduct of creatine phosphate, which is present in muscles. Creatinine levels increase if the ...Read more


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Bun creatinine low what does that mean?

Bun creatinine low what does that mean?

Nothing: Ignore it. Reference ranges are set so that several percent of healthy people fall outside. It's not the "healthy range." best wishes. ...Read more

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What does a bun/creatinine raion of 33 indicate?

What does a bun/creatinine raion of 33 indicate?

Nothing: Like all labs, it is meaningless apart from the clinical context. Maybe you had a big steak dinner. Maybe you are a very slender young girl. Maybe you are dehydrated after running a marathon in the blazing heat. Maybe you are in shock or end-stage congestive heart failure or suffering a massive GI bleed. If you feel reasonably well, don't even look at your labs -- they'll just trouble you. ...Read more

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Does pain medication cause hi creatinine and bun?

Does pain medication cause hi creatinine and bun?

Depends: Depends on what you are using or calling 'pain medication'. The non-steroidal anti-inflammatory agents (like ibuprofen, motrin, aleve, (naproxen) advil and certainly cause this. ...Read more

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Hi Dr. If normal range for BUN/Creatinine is 8-20 should I be alarmed if mine is 23?

Hi Dr. If normal range for BUN/Creatinine is 8-20 should I be alarmed if mine is 23?

Bun: It is common for bun to be mildly elevated and to normalize when the test is repeated. The BUN number can be temporarily increased depending on the body current state of hydration. Try hydrating a little a few hours before your next blood test. ...Read more

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Which pharmacokinetic process would be affected by elevated creatinine and bun levels?

Depends on drug: Many drugs are excreted by the kidneys and doses of those drugs need to be adjusted in people with elevated BUN/Cr. ...Read more

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I have a high bun/ creatinine level (28) and a low creatinine level (0.5) . Should I be concerned or do something?

BUN/Creat Ratio: I personally would not worry about it since the high ratio is due to a slightly elevated BUN. This might be due to a diet high in non-essential amino acids (nothing to truly be concerned about) or a mild lack of water intake. If you are still concerned, please see your primary doctor and go over all of that with her/him. ...Read more

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Meaning of bun/creatinine ratio?

Meaning of  bun/creatinine ratio?

Defines kidney prob: Bun=blood urea nitrogen, byproduct of proteins ingested, if rise to high levels due to kidney problem, can cause toxic affects on the body. Creatinine= measurement of renal function. Normal bun/cr ratio about 10. The higher that ratio, the more likely it is not intrinsic kidney disease per se, but reduction in blood flow or volume to kidney, like when on strong diuretic-prerenal-reversible. ...Read more

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What causes elevated bun/creatinine ratio?

Decrease in flow.: Bun=blood urea nitrogen, byproduct of proteins ingested, if rise to high levels due to kidney problem, can cause toxic affects on the body. Creatinine= measurement of renal function. Normal bun/cr ratio about 10. The higher that ratio, the more likely it is not intrinsic kidney disease per se, but reduction in blood flow or volume to kidney, like when on strong diuretic-prerenal-reversible. ...Read more

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What causes elevated bun/creatinine ratio?

What causes  elevated bun/creatinine ratio?

Many causes: Blood tests called BUN (blood urea nitrogen) and cr (creatinine) are often checked to help evaluate kidney function. The normal bun/cr ration is about 10:1 to 15:1. Some of the more common causes of an elevated bun/cr ratio are: dehydration, GI bleeding, increased protein intake, small amount of muscle mass, increased muscle breakdown. ...Read more