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Doctor insights on: Potential Complications Of A High Bun Level

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I have a high blood Bun level of 23 w/range 10-20 and a low blood Creatinine level of 0.65 w/range of 0.70-1.20. I'm a little confused as to meaning?

I have a high blood Bun level of 23 w/range 10-20 and a low blood Creatinine level of 0.65 w/range of 0.70-1.20. I'm a little confused as to meaning?

Dehydration: Were you dehydrated when the blood was drawn. If you were asked to come fasting, you may not have taken enough water. Dehydration affects BUN more than it affects creatinine. Since creatinine is normal, I would not worry about BUN.
At your next test, make sure you drink water in the morning before the blood is drawn. ...Read more

Dr. Ellen Bondar
257 Doctors shared insights

Blood Urea Nitrogen (Definition)

It's level helps evaluate renal function elevation can mean poor renal ...Read more


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What results in an elevated bun level with a normal serum creatinine?

What results in an elevated bun level with a normal serum creatinine?

See below: An elevated BUN with normal creatinine occurs most commonly in dehydrated individuals and is not a sign of kidney damage.It may also occur in in certain other conditions like bleeding in the intestines, artificial nutrition intravenously of Amino Acids and use of steroids. ...Read more

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Which etiology results in an elevated bun level with a normal serum creatinine level?

Which etiology results in an elevated bun level with a normal serum creatinine level?

Multiple causes: BUN is a breakdown of ingested protein, but becomes elevated compared to creatine, in cases of increased catabolism (breakdown). Such things as a high protein diet, use of some steroids, some infections, or volume depletion may commonly raise BUN levels. In a hospital setting, tube feeding, tpn, GI bleeding, infections, decreased flow to the kidneys, and use of steroids are frequent contributors. ...Read more

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High BUN level with Trace Protein in Urinalysis. Indication of what?

High BUN level with Trace Protein in Urinalysis. Indication of what?

Kidney issues: You will need a renal ultrasound, workup, possible CT scan and a 24 hr urine evaluation to rule out intrinsic kidney disease. ...Read more

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My bun level is high 27. Can this be caused by taking Advil and tylenol (acetaminophen) and what can I do to help this.?!

My bun level is high 27. Can this be caused by taking Advil and tylenol (acetaminophen) and what can I do to help this.?!

High BUN: Higher than recommended doses of tylenol (acetaminophen) and advil that are taken for an extended period of time can cause damage to the kidney which is evidenced by an elevation of BUN and creatinine. Do not exceed the maximum doses on the product labels. ...Read more

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My 6 year old son has a high glucose/serum 106, bun level 22, bun/creatinine ratio 43, triglycerides 84, is this normal to be alittle high in range?

My 6 year old son has a high glucose/serum 106, bun level 22, bun/creatinine ratio 43, triglycerides 84, is this normal to be alittle high in range?

Here are some...: You should refer your questions & concerns to his pediatrician who possesses more of his pertinent information than anyone online. Besides it is useful to always correlate the lab findings with individual clinical profile and compare with prior tests serially. To make a question easy to answer, always stress the specifics & relevance with sequence of events in the question. Best wish... ...Read more

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Interpret a bun level of 5?

Interpret a bun level of 5?

Okay: This is a bit low in standard US units but I wouldn't worry. Reference range is set arbitrarily so that several percent of healthy folks fall outside. Unless you're a kid being worked up for a rare inborn error of metabolism, or you're obviously in the final stages of liver failure, low BUN means nothing. ...Read more

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Bun level is 23h what does this mean?

Bun level is 23h what does this mean?

Need correct value: And units.
All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, it would have helped to know the correct result. 23h is not the conventional reporting of BUN results. If it is 23 mg/dL, it is slightly above normal and you should discuss it with your doctor. ...Read more

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What does low bun level mean mine is 5?

What does low bun level mean mine is 5?

Blood urea nitrogen: Or bun, is an indicator of kidney function, fluid balance, muscle turnover (breakdown and rebuilding). Normal BUN is between 7 and 20. A low BUN could be seen in a person with lower muscle mass or low muscle use (ex a paraplegic person) where there is less muscle turnover than in more active people. This could also suggest malnutrition. A low BUN could also be seen in liver failure, pregnancy. ...Read more

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How do you interpret a bun level of 5.0 (mg/dl)?

How do you interpret a bun level of 5.0 (mg/dl)?

Low BUN: If you have a low muscle mass, the BUN will be low. ...Read more

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What is wrong when your bun level is up to 800?

Not feasible: Normal BUN is <20, a value of 800 would not be compatible with life. You probably have erroneous information. ...Read more

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My bun level is 5, is that too low and what does that number represent?

My bun level is 5, is that too low and what does that number represent?

BUN of 5: Your BUN of 5 mg/dl is just below normal. It is important to know that its level varies from lab to lab. Your BUN is a function of your protein intake and your state of hydration. If you need any more information in your case, perhaps discussing your question with the physician who ordered the test would be helpful. ...Read more

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My BUN level was 8 yesterday and 14 today. Is that significant or problematic? Seems like a big change.

My BUN level was 8 yesterday and 14 today. Is that significant or problematic? Seems like a big change.

Means nothing: Eating a double burger can do this. BUN in health primarily reflects recent protein intake. Be glad for good health ...Read more

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My 6 year old son has a bun level of 22 is this normal?

BUN IS NORMAL: Sometimes it can be elevated when he is dehydrated during blood extraction. ...Read more

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Recently got a blood test and had a bun level of 6.0 mg/dl and b/c ratio is 6.6. They said they were low. Should I be concerned?

Recently got a blood test and had a bun level of 6.0 mg/dl and b/c ratio is 6.6. They said they were low. Should I be concerned?

BUN of 5: Your BUN of 6 mg/dl is low. It is important to know that its level varies from lab to lab. And it is related to your protein intake and your state of hydration. You did not give your creatinine (c) level. Your c is dependent on your sex, age, weight and age. If the physician (p) who ordered the test is not worried, as he did not call you, do not worry about it. If you need reassurance, call the p. ...Read more

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My bun level is 21 and my creatinine is 1.4....is it time to see a nephrologist?

My bun level is 21 and my creatinine is 1.4....is it time to see a nephrologist?

Need nephrologist?: It is time to repeat the test first. And get a clean catch mid stream urinalysis Ask dr what your eGFR is calculated from creat. Then if too low recommend you do second opinion with me. ...Read more

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My BUN level is 3 and my BUN/CREATININE RATIO is 4 and I only have 1 kidney is this good or not good?

My BUN level is 3 and my BUN/CREATININE RATIO is 4 and I only have 1 kidney is this good or not good?

Sounds okay: Reference ranges are set so that several percent of healthies fall outside on either end. Take care of that kidney. If your physician isn't worried, you shouldn't be either. ...Read more

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My urine creatinine was 20 when 4 months ago it was 73, my BUN level was 7. What could be causing this?

My urine creatinine was 20 when 4 months ago it was 73, my BUN level was 7. What could be causing this?

This means nothing: Urine creatinine varies with your hydration. You excrete a certain amount daily depending mostly on your muscle mass. Drink twice as much water, and you cut your creatinine in half. It's worth measuring only as a standard against which to compare other elements measured in your urine. A "low BUN" means nothing. You're not a kidney patient. I'm sorry no one explained this to you. ...Read more

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Bun level was 21, I am a diabetic, my ac1 was a 7.5%, does this mean my kidneys are going bad? Worried

Bun level was 21, I am a diabetic, my ac1 was a 7.5%, does this mean my kidneys are going bad? Worried

Diabetic prognosis: To better answer your question, I need more information. What is your creatinine, how long have you had diabetes and is your blood pressure controlled? Both BP and diabetic (d) control are important in preventing d complications. As you can see from the slide on the right, control of blood pressure is more important than glucose control in prevention of diabetic complications. Lower both of them. ...Read more

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Food restiction for those patient who creatinine is irregular but bun level is normal i.E., diabetic patients?

Food restiction for those patient who creatinine is irregular but bun level is normal i.E., diabetic patients?

Low sodium: Depending on the degree of kidney dysfunction, you would probably be advised a low sodium diet. They may also recommend low potassium. You should speak to a nutritionist. ...Read more

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My BUN level on lower end most of my life, hovers between. 48-.60. Doc said normal since other kidney tests ok. Are some people just low?

My BUN level on lower end most of my life, hovers between. 48-.60. Doc said normal since other kidney tests ok. Are some people just low?

Bun: The bun can be quite variable low ones may be due to overhydation if you drink too much fluid but rally nothing to worry about only high bun are worrisome ...Read more

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I am 49 year old male in good general. A recent blood test showed bun level at 27 and creatinine level at 1.4. Should I be concerned? What are possible causes?

I am 49 year old male in good general. A recent blood test showed bun level at 27 and creatinine level at 1.4. Should I be concerned? What are possible causes?

Dehydration?: Sounds like dehydration (if no kidney disease) as we grow younger, we cannot rely on our thirst, and have to drink by the clock... Our osmotic receptors get old before we do. ...Read more