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Doctor insights on: How To Lower Bun And Creatinine Levels

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My creatinine level and bun are normal. My GFR is lower than last year (50). I am caucasian. Should I be concerned about kidney function? Thanks.

My creatinine level and bun are normal.  My GFR is lower than last year (50).  I am caucasian.  Should I be concerned about kidney function?  Thanks.

Low GFR: GFR below 60 for > 3 months may be an indication of chronic kidney disease. As cardiovascular factors (blood pressure, glucose, lipids) are a major cause of kidney disease, these should be controlled. GFR also reduces with age. ...Read more

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Dr. Steven Seres
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Dr. Madhu Kandarpa
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Creatinine (Definition)

It is a byproduct of creatine phosphate which is present in muscles. Levels are increased ...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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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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Why is bun, creatinine, and electrolyte levels ordered on someone with ards?

Why is bun, creatinine, and electrolyte levels ordered on someone with ards?

Sick patient: When a patient has ards, thje patient is very sick. Thus other organs can get damaged including the kidney. BUN and creatinine are makers of kidney injury and your doctors are going to monitor its function routinely. The electrolytes are also changing and need to be corrected routinely. ...Read more

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32 y/o female with creatinine level of 1.01 mg/dL )non-african american) BUN 12 mg/dL. Also insufficient in Vitamin D O25 test(28.9ml). Abnormal?

32 y/o female with creatinine level of 1.01 mg/dL )non-african american) BUN 12 mg/dL.  Also insufficient in Vitamin D O25 test(28.9ml). Abnormal?

See below: 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, your BUN and creatinine are normal. Vitamin D is just borderline low. You may take over the counter vitamin D3 at a dose of about 2000 units/day. ...Read more

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Lt ankle/foot always swollen slight-large amt, 2yrs. Bun/creatinine levels run high. High protein intake. No salt-restricted diet. Causes of swelling?

Lt ankle/foot always swollen slight-large amt, 2yrs. Bun/creatinine levels run high. High protein intake. No salt-restricted diet. Causes of swelling?

Renal & venous probs: An elevated BUN & creatinine for 2 yrs. Means that you have chronic renal disease. You are on the worst possible diet for this, which should be low protein and low sodium. The swelling may be due to this + chronic venous insufficiency, which is more likely--for anatomic reasons--to occur in left leg. An internist specializing in kidney disease (nephrologist) is whose care you should be under. ...Read more

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If i was taking 200mg of spironolactone when I have my lab work done, would that affect the bun and creatinine level? Would it make it higher or lower

If i was taking 200mg of spironolactone when I have my lab work done, would that affect the bun and creatinine level? Would it make it higher or lower

Likely no effect,,,: This is a potassium sparing diuretic and is a weak diuretic other than this function. This and other diuretics should not have an effect on BUN and creatinine as these are based on amounts in the blood and creatinine is recovered by the kidney and so depend on renal function. Good luck. ...Read more

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