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Doctor insights on: Dehydration Creatinine Levels

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Dr. Madhu Kandarpa
2,206 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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Can creatinine levels become high because of dehydration?

Can creatinine levels become high because of dehydration?

Co-tango usually: The BUN is usually 10 times the creatinine. When the creatinine goes up, the BUN goes up similarly to roughly keep this proportion, in most kidney disease states. The notable exception is when the creatinine goes up say by 20% to 1.2, but the BUN goes up *5 to 50. This strongly suggests a pre-renal state, commonly dehydration. Mild elevations of BUN with normal creatinines aren't of concern. ...Read more

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If your creatinine level becomes 1.7 because of high uric acid and gout and also because of dehydration. What should you do?

If your creatinine level becomes 1.7 because of high uric acid and gout and also because of dehydration. What should you do?

See details: I agree that kidney impairment with gout occurs after many years of uncontrolled disease. However, if you have gout you need to be on Allopurinol and just not colchicine. You must lower your serum uric acid under 6 mg/dl to prevent kidney stones, loss of kidney function, joint damage and other issues related to gout. ...Read more

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Should I be concerned with an Urine Creatinine level of 518.5 mg/dL, but I was dehydrated at the time of the test (just finished running 3 miles)?

Should I be concerned with an  Urine Creatinine level of 518.5 mg/dL, but I was dehydrated at the time of the test (just finished running 3 miles)?

Urine creatinine: No - if this was a 24 hour level - expect 14-26 mg per kg for a male fo that would be on the low side. if it was a "spot" urine - its going to be off due to the dehydration from running. I would repeat it if needed when you haven't run and are hydrated. ...Read more

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Can dehydration make your creatinine high?

Can dehydration make your creatinine high?

Co-tango usually: The BUN is usually 10 times the creatinine. When the creatinine goes up, the BUN goes up similarly to roughly keep this proportion, in most kidney disease states. The notable exception is when the creatinine goes up say by 20% to 1.2, but the BUN goes up *5 to 50. This strongly suggests a pre-renal state, commonly dehydration. Mild elevations of BUN with normal creatinines aren't of concern. ...Read more

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Can low creatinine in children be due to dehydration?

No: Most of our "normal" lab values are from adults. Babies and young children should have a "low" creatinine compared to adult norms as they are normal for their age. It is not from dehydration. If dehydrated, creatinine may be high. ...Read more

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Is dehydration linked to kidney high creatinine?

It can be. : Any situation that causes excessive loss of body fluids (vomiting, diarrhea, severe bleeding, fevers, heat exposure, certain medications, etc) can lead to reduction in the body's entire blood volume. When this happens, part of your body's natural response is to reduce blood flow to some of its organs including kidneys. This can lead to kidney injury which can be detected by a high creatinine. ...Read more

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How does bun and creatinine gets elevated due to dehydration? Kindly explain how?

How does bun and creatinine gets elevated due to dehydration? Kindly explain how?

Concentration: Simplest way, if you have lets say 100 particles in 5 liter of fluid, the concentration is 20 per liter. If you now have only 3 liter of fluid, the concentration is now 33.3. ...Read more

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How much can dehydration raise serum creatinine?

Depends: It can vary significantly depending on the degree of dehydration. There is not an exact answer to this question. The patients underlying health and baseline kidney function and blood flow are other factors. ...Read more

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How can the bun/creatinine ratio show dehydration?

How can the bun/creatinine ratio show dehydration?

BUN/Cr > 20:1: Urea (BUN) is reabsorbed by the kidney; creatinine is not. In dehydration, as water decreases and urea is reabsorbed, the BUN rises. Eventually, the cr will rise, too (if dehydration continues), but it doesn't increase in magnitude as fast as the bun. The bun/cr ration is usually ~10:1...When it's greater than 20:1, this suggests dehydration. ...Read more

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How can the bun/creatinine ratio indicate dehydration?

May be helpful: There are many causes of an elevated BUN or elevated creatinine, and the ratio between them must be interpreted in the clinical context of each specific patient. What is commonly referred to as "dehydration" usually causes an increase in the BUN to creatinine ratio, but other significant conditions may cause a similar rise and need to be considered, especially if there is an acute illness involved. ...Read more

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How can the bun/creatinine ratio tell you have dehydration?

How can the bun/creatinine ratio tell you have dehydration?

See below: An elevated BUN with normal creatinine and a ratio of [generally more than 18-20] 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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How does the bun/creatinine ratio show whether or not you have dehydration?

How does the bun/creatinine ratio show whether or not you have dehydration?

BUN/Creatinine ratio: Blood urea nitrogen (BUN) is the breakdown of protein excreted via kidney. Creatinine is the muscle breakdown product also excreted by the kidney. BUN and creatinine can be measured by lab tests. Usually the BUN / creatinine ratio has to to be over 20 for a patient to be considered dehydrated or in "pre renal kidney failure. ...Read more

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My mother(54yrs) recently suffered with fever and dehydration.On tests her hb was found 7.4, serum creatinine= 5.9 with blood urea=97. What to do now?

Workup / comply: The abnormal renal function tests need not reflect anything more than dehydration, which we may hope is now treated. Find the cause of the anemia and treat it, do what 's required to prevent further episodes of dehydration, and you and your mother will probably have many happy years together. ...Read more

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Always thirsty/ dehydrated. Creatinine keeps coming up high. What could be cause?

Always thirsty/ dehydrated. Creatinine keeps coming up high. What could be cause?

Kidney disease?: Get with your physician. I trust you drink adequate water when you're thirsty. He/she will rule diabetes mellitus in or out, then evaluate you for the ability to concentrate your urine. If you are not able to do this, you will then be tested to see whether you have pituitary diabetes insipidus, or renal interstitial disease. This is serious. Get it looked at now. ...Read more

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Creatinine was high on my last two labs. I'm going to see a kidney doctor for it. I'm always dehydrated, what are possibilities?

Elevated creatinine: Creatinine comes from muscle. Some very muscular men will have some elevated creatinine with normal kidney functions. Otherwise, you need an evaluation with urine testing for protein and red blood cells, a kidney ultrasound, and blood pressure check. ...Read more

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My husband is in transplant renal failure GFR 17 creatinine 340 due to sickness and diarrhoea bug he is in hospital creatinine 900 dehydrated.

My husband is in transplant renal failure GFR 17 creatinine 340 due to sickness and diarrhoea bug he is in hospital creatinine 900 dehydrated.

Outcome may be ok: Transplanted kidneys are particularly vulnerable to injury from dehydration and acute infection, which is the situation you have described. The best chance of a good outcome is definitive management in a hospital (which is being done), intravenous fluids, frequent measurement of the immunosuppressant drug levels, and treatment of any infection. Recovery of baseline kidney function often occurs. ...Read more

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11 year old son has vomited for two weeks, same time every day starting 5pm-2am. Eating well, no dairy, not dehydrated. Slightly raised creatinine, little protein in urine. Raised allergy marker. ?

11 year old son has  vomited for two weeks, same time every day starting 5pm-2am. Eating well, no dairy, not dehydrated. Slightly raised creatinine, little protein in urine. Raised allergy marker. ?

A few possibilities: Kids can have recurrent vomiting for different reasons: infection, cyclic vomiting (also sometimes called abdominal migraines), increased intracranial pressure, anxiety, uremia, medication side effects, and other causes. I recommend you see your child's doctor and possibly get a referral to a pediatric gastroenterologist. Elevated creatinine and urine protein are concerning for a kidney problem. ...Read more

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Dr. Ashu Syal
655 doctors shared insights

Dehydration (Definition)

The excessive loss of body water, with an accompanying ...Read more