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Doctor insights on: Cause Of Low Level Of Creatinine In Blood Test

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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

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Dr. Madhu Kandarpa
2,203 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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Got the results of a blood test. Low sodium and creatinine..I'm on lisinipril and hctz (hydrochlorothiazide). Could that have caused it? Also have pain under low-right ribs

Got the results of a blood test. Low sodium and creatinine..I'm on lisinipril and hctz (hydrochlorothiazide). Could that have caused it? Also have pain under low-right ribs

Too much alcohol: The combination of lisinopril, HCTZ, (hydrochlorothiazide) and 3 alcohol drinks a day can cause low sodium. That's too much alcohol - sorry. The pain under your right ribs may be originating in your liver or gall-bladder as both live there. That should be checked. Low creatinine (even below the lab reference) is not harmful and reflects your muscle mass and normal kidney function. (I presume you're pretty small). ...Read more

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Lab creatinine blood test levels changed from .9 to 1.2 should I worry?

Lab creatinine blood test levels changed from .9 to 1.2 should I worry?

Creatinine: And change from .9 to 1.2 can be significant , specially if someone is taking any medication that can cause kidney injury, or has diabetes and hypertension; however, dehydration can also cause BUN and creatinine to go higher, patient with high muscle mass and after excercising can cause an increase in creatinine, this test should be repeated if preoccupied. ...Read more

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My child is 12 years old. He has done a  creatinine  blood test and got a low result = 0.45. Is this of any significance? Thank you

My child is 12 years old. He has done a  creatinine  blood test and got a low result = 0.45. Is this of any significance? Thank you

He's healthy: As mentioned, creatinine is a substance the kidneys are supposed to filter, it's a byproduct and should be very low in the blood stream. Normal values are generally based on an average for what adults would have, and children's kidneys are healthy and much more efficient. For lab tests in children, ignore the "normals" and ask your pediatrician for an interpretation. ...Read more

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Purely out of preventive reasons I did a blood test on creatinine levels. I got results - 109 umol/l (the range is 74 - 110). Is this concerning?

Purely out of preventive reasons I did a blood test on creatinine levels. I got results - 109 umol/l (the range is 74 - 110). Is this concerning?

No: 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 creatinine is within normal limits. If you are a muscular person there would be even less cause for concern. ...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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I am 65 years old and ihave been very tired and weary for 5years. I have recently had a blood test showing low creatinine. Could I do something for it?

Muscle mass: Low cretinine is by it self not an issue. From your description you may have a low muscle mass. You need to attend to your nutrition and engage in gradually increasing physical activity to increase your muscle mass. You may wish to try over the counter multivitamins and consult your doctor. See this site for advice on nutrition. http://www.mayoclinic.com/health/balanced-healthy-meals/my02041. ...Read more

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Raised creatinine and low efgr but normal blood test for us and es what is problem kidneys.? Or something more serious

Systemic disease: Ultrasound can be normal untill late in kidney disease. Will need a thorough check with internist for systemic diseases such as diabetes or hypertension which are the usual culprits causing kidney disease and elevated creatinine. ...Read more

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My mother is diabetic from past 15 yrs age 52 and serum creatinine level 8 is found in yesterday blood test.what is this problem?how procede furthur

My mother is diabetic from past 15 yrs age 52 and serum creatinine level 8 is found in yesterday blood test.what is this problem?how procede furthur

Creatinine of 8?: Hi. I'm sorry, but if her creatinine is 8 (you do mean 8, right, not 0.8?), she's in kidney failure. She will have to see a nephrologist SOON to have an arterio-venous fistula placed to get ready for dialysis, and if appropriate, get on a transplant list. This is probably a result of chronically very poor diabetes & blood pressure control. If she controls her diabetes & BP, she may save her eyes. ...Read more

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Urine test protein 2+ for the past 2 visits. Blood test creatinine etc kidney function is ok. What causes protein in urine?

Urine test protein 2+ for the past 2 visits. Blood test creatinine etc kidney function is ok. What causes protein in urine?

Several causes: Your physician would do well to rule out orthostatic protenuria, the most common cause and utterly harmless. It's ruled out, then begin a workup. There are a host of causes. ...Read more

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Blood test show creatinine @ 1.13/GFR 58L; was on norvasc/spironolactone/metoprolol 1yr w/no BP improve;cut spiro and meto;now take Norvasc (amlodipine) 5mg 2x day; BP117/74. Change of meds cause creat to rise?

Blood test show creatinine @ 1.13/GFR 58L; was on norvasc/spironolactone/metoprolol 1yr w/no BP improve;cut spiro and meto;now take Norvasc (amlodipine) 5mg 2x day; BP117/74. Change of meds cause creat to rise?

Creatine: You did not say what it was previously and creatinine is subject to modest changes. This value is still within a normal range so not too much to worry about. If you are concerned have it checked again in 2 weeks to a month on new meds. ...Read more

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Elevated creatinine levels raised lft and inconsistent hep c blood test. Has cellulitis from shin injury. Feels recovery is very slow . lethargy.

Need nephrologist: Sounds like a complex problem and need to be evaluated by specialist. Would recommend nephrologist first as elevated creatinine may signify progressive renal disease. Depending on the level, lethargy may be also related to elevated creatinine. Further, need to investigate elevated LFT, so liver and kidney imaging is needed as well. ...Read more

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Blood test: estimated creatinine clearance test (low), what could it indicate? EGFR & creatinine normal. Potassium & sodium low. 28yr/f

How do you FEEL?: Many (maybe most) pathologists and nephrologists aren't impressed with the current practice of labs estimate GFR, creatinine clearance and so forth from a spot creatinine. Some formulas include race "because black people are more muscular than white people" -- these were never intended to be applied to individuals. Frankly, if your others labs are healthy, I'd ignore it. ...Read more

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How to reduce creatinine in blood test of my husband it is 118 ummol/L .his medicine Ezetrol and Asprin.

Don't Rx lab values: If this is your husband and he's reasonably well-muscled, it's probably normal. When I was lifting weights daily, my creatinine was 1.6-1.7 -- making mine 141 compared to your husband's 118. Or he may have mild renal insufficiency. The whole eGFR businsess is subscientific -- there's even an adjustment "because black people are more muscular than white people." ...Read more

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Blood test came back with creatinine at 4.72 how bad is that ? Thank you

Needs attention ASAP: Your creatinine level is significantly elevated suggesting kidney failure. This can be due to acute or chronic conditions. You need to see a urologist asap to evaluate it. ...Read more

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I just had my blood test. My creatinine is 118.73 umol/l. The reference is 50 to 120 umol/l. What does my creatinine result indicate? Is it bad?

I just had my blood test. My creatinine is 118.73 umol/l. The reference is 50 to 120 umol/l. What does my creatinine result indicate? Is it bad?

REPEAT: Are you on diuretics. I would probably repeat it. For a 37 year old male this is high. Make sure you are adequately hydrated when you repeat it. ...Read more

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Alcohol ok before blood test for creatinine?

Alcohol ok before blood test for creatinine?

Interesting question: Alcohol consumption before having a blood test for serum creatinine should not affect the results. Depending on the amount of alcohol consumed, the glucose load may increase the serum glucose measurement. If this is quite high, it may also increase the potassium measurement. ...Read more

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I feel weak and did a blood test and it showed the my serum creatinine is 1.2 isn't this high?

Need more info: The creatinine level is within normal limits but you can get more information from the estimated glomerular filtration rate. To calculate the estimated glomerular filtration rate one needs to plug in creatinine, age, sex and race. See this site for info and discuss the matter with your doctor. http://www.kidneyfund.org/kidney-health/kidney-basics/kidney-test-egfr.html. ...Read more