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

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

High BUN: Higher than recommended doses of tylenol 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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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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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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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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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