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Doctor insights on: High Bun And Creatinine Levels In Children

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What does it mean if both bun & creatinine levels are good, but the ratio is high?

What does it mean if both bun & creatinine levels are good, but the ratio is high?

Actual values: 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, if both creatinine and BUN are normal you do not need to worry about the ratio. ...Read more

Dr. Madhu Kandarpa
2,219 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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What does it mean if both bun & creatinine levels are good, but the ratio is high?

What does it mean if both bun & creatinine levels are good, but the ratio is high?

Need numbers: It would help to have the actual numbers. The doctor who ordered these tests would be in a better position to advise as s/he knows your health status. ...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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What is the cause of high bun creatinine ratio in children?

BUN/Cr Ratio: The most common cause of a high blood urea nitrogen (BUN) to creatinine ratio is dehydration. A ratio over 20 indicates low intravascular volume. The BUN can also be elevated in people with a high muscle mass. ...Read more

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What does it mean low creatinine levels and high bun creatinine ratio?

Muscle mass: Serum levels of creatinine depend on renal function, muscle mass and intake of muscles foods. A low creatinine level is of no consequence as long as you are not emaciated. Paralyzed, or have extensive amputations. High ratio just reflects low creatinine. ...Read more

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

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

Why do you ask?: 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.") ...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 recently had a blood test. The BUN was 10 and creatinine was 1.2. I am a 36 year old male, Asian and am worried about the high creatinine levels?

I recently had a blood test. The BUN was 10 and creatinine was 1.2. I am a 36 year old male, Asian and am worried about the high creatinine levels?

Need more info: Creatinine level in blood depends on the kidney function, but also on the amount of protein intake and muscle mass and activity that you have.
You need a glomerular filtration test for a better evaluation of your kidney function. ...Read more

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Healthy 35 yr old female w B/C ratio elevated at 23 with normal Bun and creatinine level of 16 (ref range 7-18) and 0.7. I did not drink much that day?

Healthy 35 yr old female w B/C ratio elevated at 23 with normal Bun and creatinine level of 16 (ref range 7-18) and 0.7. I did not drink much that day?

Tests, tests, tests: Tests results always have to be interpreted in a context. When they measure the temperature of the winner of the Boston Marathon 2 yrs ago it was over106 F. Was he very ill? NO! He had been using his bodies muscles at full output for over 2 hrs straight. The heat generated raised his body temp a lot and he soon cooled off. You hv to talk with yr doc or make a virtual consult. ...Read more

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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

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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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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 amylase level is too high for female? What can be problems if also high BUN/Creatinine ratio, high anion gap, and high direct bilirubin?

What amylase level is too high for female? What can be problems if also high BUN/Creatinine ratio, high anion gap, and high direct bilirubin?

Why do you ask?: Amylase kay be very high without being a problem because of a harmless variant called macroamylasemia. The ratio is useful only to explain other abnormals is obvious disease. Same is basically true if the gap. If you feel well, slightly high direct bilirubin may be meds or a minir metabolic glitch. Your physician is your best guide. ...Read more

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5 year old with high levels of bilirubin and alkaline phosphatase, high bun/creatinine ratio and high MCV and mch. Low levels of co2 and creatine?

Not enough info: Unfortunately, other than bloodwork results, no more information is provided. That's not enough to tell what's going on. Either try to provide more info or better off consult with a physician locally. ...Read more

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Husb micoalbumin is 596. BUN/Creatinine level is normal. Serum Albumin norm. He's diabetic & has fatty liver. Is he in kidney failure? Why micro high?

Husb micoalbumin is 596. BUN/Creatinine level is normal. Serum Albumin norm. He's diabetic & has fatty liver. Is he in kidney failure? Why micro high?

Diabetic nephropathy: B"sd kidney failure is marked by elevation of creatinine. Microalbumin is a sensitive test for early kidney changes seen in diabetes and hypertension. Unless very high, standard albumin will be normal. Fatty liver is of concern but not directly related. To prevent progression of kidney disease 1. control of diabetes 2. blood pressure control 3. ACE or ARB agent. Glad to discuss ...Read more

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My daughter has hydronephrosis. No reflux. High levels of creatinine and bun. Doctors want to treat her with long term bactrim (sulfamethoxazole and trimethoprim). Is this okay?

My daughter has hydronephrosis. No reflux. High levels of creatinine and bun. Doctors want to treat her with long term bactrim (sulfamethoxazole and trimethoprim). Is this okay?

Definitely not OK: Ideally daughter needs to be seen & managed by pediatric urologist who may advise surgery to relieve any obstruction causing her hydronephrosis & nephrologist regarding her azotemia (elevated BUN & creatinine). Suggest you go to la, los angeles children's hospital or ucla medical center. This is not something to be managed locally in yucaima. Bactrim (sulfamethoxazole and trimethoprim) not appropriate unless infected & not long term. ...Read more

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I have an enlarged spleen, low ast/sgot, low bun/creatinine, high chlorine level, low lymphocytes, low calcium, and trace of urine leukocyte. Thoughts?

I have an enlarged spleen, low ast/sgot, low bun/creatinine, high chlorine level, low lymphocytes, low calcium, and trace of urine leukocyte. Thoughts?

Any symptoms?: If you do not have any symptoms, there is no point in chasing laboratory results.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex. ...Read more