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Doctor insights on: 126 Creatinine Urine

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Can high creatinine levels cause urine foam?

Can high creatinine levels cause urine foam?

See details: Foamy urine usually indicates elevated protein in the urine more than an elevated creatinine. ...Read more

Urine (Definition)

Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more


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What does high creatinine in the urine mean?

What does high creatinine in the urine mean?

Good question: Creatinine in the urine, like in the blood, comes from the muscles. The urine creatinine can be collected for 24 hours to calculate the creatinine clearance. A sample of urine creatinine and protein can be used to estimate the 24h urine loss of protein. ...Read more

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What does hiigh levels of creatinine in my urine mean?

What does hiigh levels of creatinine in my urine mean?

Not much: Urine creatinine is concentrated with dehydration, but is always higher than blood creatinine except in severe kidney desease. The urine creatinine is much higher than blood in a normal state.. The importance of urine creatinine is in the calculation of creatinine clearance and fractional excretions. This requires interpretation by your physician. ...Read more

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What else leads to low creatinine levels in the urine?

Factors: Low creatinine levels in the urine can be seen in states like reduced kidney function (low gfr), advanced age, malnourished states, low muscle mass, liver failure, etc. ...Read more

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For what reasons might creatinine levels be high in the urine?

Urine creatinine: Our corresondent is talking about urine creatinine. This may be high because the urine is concentrated (i.e., the person drank little water) or the person is well-muscled. It's not a cause of concern. ...Read more

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I recently had a creatinine urine 24hr test which came out high (2100 mg/24hr). What does this generally signal?

You're fine: Especially if you're a bit more muscular than today's average guy, or a big guy, or you drank a lot of water that day, or it's actually a few more than 24 hours, or you ate an extra serving of meat, i'd consider this normal. The only value in measuring it is to give other substances "per gram of creatinine". ...Read more

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What is a normal urine creatinine level?

No such thing: We don't publish a reference range as people would worry. The more muscle mass you have, the more creatinine you put out daily. The level in turn is also a function of how much water you drink -- whether the urine is concentrated or dilute. And there's no illness for which increased or decreased production is a marker. If you do find a published range, ignore it. ...Read more

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Low creatinine on a urine test, what caused that?

Low creatinine on a urine test, what caused that?

Several things: The most likely is inadequate collection of urine such that some of the 24 hour sample was discarded. Other causes are low muscle mass, which can occur in very small stature people, advanced age, bed bound individuals, and in patients with cirrhosis. ...Read more

Dr. Madhu Kandarpa
2,189 doctors shared insights

Creatinine (Definition)

Creatinine is a byproduct of creatine phosphate, which is present in muscles. Creatinine levels increase if the ...Read more