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Doctor insights on: Low Serum Creatinine

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I have a low serum creatinine of .50 mg/dl . Is it okay . What should I do to increase it . ?

I have a low serum creatinine  of .50 mg/dl . Is it okay . What should I do to increase it . ?

It's OK: Low or normal serum creatinine indicates normal renal function. Elevation in serum creatinine indicates kidney dysfunction. ...Read more

Dr. Krishna Kumar
139 doctors shared insights

Serum Creatinine (Definition)

Creatinine is a breakdown product of muscle tissue. In the healthy situation it is cleared by the kidneys. Thus, a rise in creatinine is a sign of ...Read more


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During what diseases i find high blood urea with low serum creatinine if do investegtion?

During what diseases i find high blood urea with low serum creatinine if do investegtion?

None: Renal disease causes elevation of both and for all practical purposes only renal failure causes meaningful elevation of these. ...Read more

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Hi, my son 6 years old, when healthy, had bloods done, results were low ferritin, low lymphocytes 1.8, low wbcs 4.6 and low serum creatinine.

Not to worry: All of these things, with the exception of the low ferritin, are fine. The low creatinine means his kidneys work uber-great!. The WBC likely reflects mild suppression from a recent viral illness. The low ferritin is very common, indicating he needs more iron in his diet or a supplement. Please do not get in the habit of focusing on lab numbers when your child is healthy. He is healthy - enjoy! ...Read more

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Serum creatinine low 39 out of (53-97) normal?

Low creatinine: 19F Kuwait note creatinine 39. Normal for lab 53-97. Asks: Normal. ANS: no but probably is for you. Related to.body muscle mass and hydration state. Have lab repeat. Ask lab and Dr normal range for your age BMI MUSCLE MASs and ethnicity. Happy to do 2nd opinion. ...Read more

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Low creatinine serum, high creatinine clearance and normal urine cret at age 21. Totally sedentary lifestyle with high protein diet. What's thr prob?

Kidney problem?: With the information you provided, I do not think you have a problem with your kidneys. Creatinine is an indication of your kidney function and, just as important, is gives an estimation of your muscle mass. A high creatinine clearance may be seen with uncontrolled diabetes, which you do not have. Speak to the physician who ordered these tests on you for more information, he knows you best. ...Read more

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Serum creatinine 0.49mg/dL, 24h urine cr 22.1mg/dL & cr excretion 884mg, cr clearance 125.4mL/min, random urine cr 109,7mg/dL. Normal? If low, why?

Just ignore this: Labs are set so that a few percent of healthies fall outside on either end. This could not be due to illness. Be thankful for a normal creatinine clearance and that your physician took time to check it. ...Read more

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5yr girl with 7 past urine tests in row show trace blood in it, no u.T.I.! so checked serum creatinine an it's ok but cbc, iron on low side, .Any clue?

5yr girl with 7 past urine tests in row show trace blood in it, no u.T.I.! so checked serum creatinine an it's ok but cbc, iron on low side, .Any clue?

? urine Ca/cr ratio: Sometimes this is a sampling issue, and a squat and pee sample is often a vaginal wash out with all sorts of things in it.If it is a good clean catch specimine i would wonder where the blood is coming from.Small amounts can accompany excess calcium loss through the kidney tubules.A spot check of the urine ca/cr can pick this up, usually some protein in the pee along with it.Talk with your doc. ...Read more

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I keep waking up with swollen hands no heart or kidney problems. Last blood work everything was fine the only thin low was my creatinine serum?

Swollen hands: Sorry but you need to be more precise as we need more info. When was your last blood work relative to swollen hands? If blood before these symptoms started, need repeat labs. Otherwise, time to consider autoimmune conditions. Or recent travel/camping. Ill contacts. New medications (perhaps b/c methylprednisolone), herbs, dietary supplements etc regardless of how natural pure & organic. Go c ur doc. ...Read more

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What is a regular serum creatinine level?

0.6 to 1.4 mg/dL: Creatinine is a product of muscle metabolism. Because women generally have less muscle mass than men, their values are lower. Because of increased volume during pregnancy, lower limits of normal may be 0.4 -0.5 mg/dl. As an individual ages, the muscle mass may decline therefore the serum creatinine values may not adequately reflect the underlying renal function. ...Read more

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Serum (Definition)

Serum is the component of blood that does not contain cells or clotting factors. It does contain electrolytes an ...Read more


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