Question 1

Was in hospital after a night of binge drinking. bun level 1 point low. could this be from temp damage from night b4 or def indicate liver disease?

Accepted Answer

BUN stands for blood urea nitrogen and is a test of renal function. It used in conjunction with the creatinine level to evaluate the functioning of the kidneys. The BUN can be elevated from kidney disease, dehydration or a GI bleed. Always talk to your doctor about the clinical significance of your test results. Your BUN result is not clinically significant. Other tests are used to evaluate liver.

Question 2

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

Accepted Answer

Low creatinine never means anything bad. Reference ranges are set so that a few percent of healthies fall outside arbitrarily. The ratio could be up if you ate a couple of burgers. You're physician's not worried. Stay physically fit and you'll probably have a long and happy life. Best wishes.

Question 3

What can low bun and creatinine indicate when you 21 yrs old?

Accepted Answer

Low cr may be completely normal in a young patient and indicates good kidney function. Other causes of low serum cr are  low muscle mass, which can occur in very small stature people, advanced age, bed bound individuals, and in patients with cirrhosis. Low BUN can be caused by poor nutrition or increased fluid intake.

Question 4

What does it mean if your creatinine level is too high 1.16 and your bun/creatinine ratio is very low at a 5?

Accepted Answer

Labs mean nothing in the absence of a clinical history. You might be a vegan bodybuilder. When I was lifting weights every day, my creatinine ran 1.6-1.8. The fellow-pathologists with whom I've discussed it think that reports generated by labs are causing overdiagnosis of renal disease (it's subscience -- "there's an adjustment for race because black people are more muscular.")

Question 5

How does the bun/creatinin ratio relate to the egfr? both of these levels are low but both the bun and creatinin levels were right in the mid range.

Accepted Answer

The BUN is usually 10 times the creatinine. When the creatinine goes up, the BUN goes up similarly to roughly keep this proportion, in most kidney disease states.

The notable exception is when the creatinine goes up say by 20% to 1.2, but the BUN goes up *5 to 50.  This strongly suggests a pre-renal state, commonly dehydration. 

Mild elevations of BUN with normal creatinines aren't of concern.

Question 6

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?

Accepted Answer

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.

Question 7

My bun and bun/creatine ratio has been low, and a/g ratio high for several blood draws. what does this possibly indicate?  doctor dismisses it.

Accepted Answer

These ratios are less concerning or clinically important than the actual values that make them up. So, the separate creatine and BUN results are more important than the ratio of BUN/creatinine. Your doctor also has spoken to you and examined you, which is taken into account when making an assessment on someone's health. The best thing is just to ask your doctor to explain the results to you.

Question 8

Why would rbc levels be high, hgb low, na low, and bun high in a patient who suffered a right sided intra cranial hemorrhage?

Accepted Answer

There is likely more than one issue and it is not feasible to provide a meaningful opinion without additional history, physical examination and review of all the lab findings. It would be prudent to consult your doctor who ordered these tests.

Question 9

What could be the cause of a low calcium level of 8.2? albumin 4.6, globulin 1.8, bun 16, vit d 38. sodium slightly elevated but all else in range

Accepted Answer

What is your ionized calcium level? Why skin biopsy? And what other medications are you taking ie for depression and anxiety? Answer to all these can help us find answer to your query.

Question 10

Does low carb diet affect bun and carbon dioxide levels?

Accepted Answer

BUN=blood urea nitrogen, a breakdown product of proteins being burned. So rates of protein breakdown, combined with the amount of H20 it is in, determine the BUN (a concentration within extracellular water). CO2 (carbonic acid in water) from burning fats is primarily determined by rate of breathing (blowing off CO2) & is the primary brain driver for breathing rate (along with exercise & anxiety).

Low bun levels indicate

Was in hospital after a night of binge drinking. bun level 1 point low. could this be from temp damage from night b4 or def indicate liver disease?

Ask U.S. doctors your own question and get educational, text answers — it's anonymous and free!

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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?

What can low bun and creatinine indicate when you 21 yrs old?

What does it mean if your creatinine level is too high 1.16 and your bun/creatinine ratio is very low at a 5?

How does the bun/creatinin ratio relate to the egfr? both of these levels are low but both the bun and creatinin levels were right in the mid range.

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?

My bun and bun/creatine ratio has been low, and a/g ratio high for several blood draws. what does this possibly indicate? doctor dismisses it.

Why would rbc levels be high, hgb low, na low, and bun high in a patient who suffered a right sided intra cranial hemorrhage?

What could be the cause of a low calcium level of 8.2? albumin 4.6, globulin 1.8, bun 16, vit d 38. sodium slightly elevated but all else in range

Does low carb diet affect bun and carbon dioxide levels?

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Low bun levels indicate

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