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Doctor insights on: Will Dehydration Affect Creatinine Level

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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

Dr. Madhu Kandarpa
2,220 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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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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Creatinine was 1.0 one month ago now it’s 1.5. I was very dehydrated. Is it possible for the creatinine level return to a normal range.

Creatinine was 1.0 one month ago now it’s 1.5. I was very dehydrated. Is it possible for the creatinine level return to a normal range.

Possible: 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, it would be prudent to repeat the test after proper hydration, .
For good health — Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex. ...Read more

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Should I be concerned with a 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 — it's 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?

Concentration: The 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 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 you have dehydration?

How does the bun/creatinine ratio show whether 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 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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Hypochondria abt getting CKD as I am always dehydrated&have dry mouth n tongue.RFT(sr creatinine, NA,K),urinalysis normal. I drink 2 lt water

Hypochondriasis: I commend you for your insight being Hypochondriac about getting CKD
(Chronic Kidney Disease) even though RFT (Creatinine, NA, K), and urinalysis are Normal.
Feeling “always dehydrated”,.while drinking 2 liter water indicates marked anxiety, rationalization and misinterpretation of Normal Kidneys.
See a Psychiatrist for Anxiety, unresolved conflicts, Realty testing and Logical reasoning, Yoga ...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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CKD CHF patient on fluid 1L restriction BUN 53, Creatinine 2, going worse when on lasix (furosemide). At what BUN am I too dehydrated/cause for high BUN/C ratio?

CKD CHF patient on fluid 1L restriction BUN 53, Creatinine 2, going worse when on lasix (furosemide). At what BUN am I too dehydrated/cause for high BUN/C ratio?

Bun/creatinin ratio: Greater than 20 in the absence of GI bleeding usually indicate intra vascular volume depletion. If no peripheral edema discuss need for fluid restrictions with your doctor ...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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Dehydrated, thirsty, and have to urinate 3 times every night. Lab results shows blood sugar is well controlled A1c 4.6. Creatinine is low 0.66 mg?

Dehydrated, thirsty, and have to urinate 3 times every night. Lab results shows blood sugar is well controlled A1c 4.6. Creatinine is low 0.66 mg?

Prostate?: You feel dehydrated because you have dry mouth. However, you may not be dehydrated. The dry mouth may be related to long term diabetes, medicines, or another illness like sjorgen's. The frequency may be related to prostate enlargement. Check with your doc, he can ultrasound your bladder and prostate and help you sort out cause for dry mouth. ...Read more

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My potassium is high but I'm not dehydrated. Bun/creatinine ratio is high and other electrolytes are borderline. What could be wrong?

My potassium is high but I'm not dehydrated. Bun/creatinine ratio is high and other electrolytes are borderline. What could be wrong?

May be...: The depicted scenario leads one to think: kidney damage, drug misuse / side effects, internal bleeding to gi-tract, etc. If no dehydration. So, ask and check with doctor for detail and he/she can help you. ...Read more

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Is there a connection between dehydration and high creatine levels?

Increased creatinine: Patients with dehydration can have an elevated creatinine (c) level. Usually, patients with dehydration also has an elevated sodium (na), chloride (cl) level and blood urea nitrogen (BUN) in their blood test results.

A history of working in warm weather and not having enough oral intake of fluids can give a person elevated creatinine levels.

Adequate fluid intake is needed to cure dehydration. ...Read more

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Is there a way of testing someones dehydration level using their siliva? If not through siliva what are the best ways to test level of dehydration (taking vitals, etc.)

Body weight: As long as you have a reference weight, body weight is the primary feature that allows calculation of the degree of dehydration. If a 20 lb kid comes into the office 2 days after a well check having had vomiting for a day, he is not dehydrated if he weighs 20 lb but is if he weighs 19. A 5% weight loss in a short time frame is water loss. ...Read more

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Can dehydration cause high levels of B12 in blood?

Can dehydration cause high levels of B12 in blood?

No: Chronic myelogeneous leukemia, promyelocytic leukemia, polycythemia vera and also the hypereosinophilic syndrome can result in elevated levels of B12 mostly from increased production of haptocorrin.
In addition, because the liver stores b12, liver diseases such as acute hepatitis, cirrhosis, hepatocellular carcinoma and metastatic liver disease can also cause a rise in serum b12. ...Read more

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34 y/o female. CA level 11.5, vit D. 20. 4 mos ago, PTH was 14 and CA 10.1. Haven't felt well for months. Could high calcium be a fluke (dehydration)?

34 y/o female. CA level 11.5, vit D. 20. 4 mos ago, PTH was 14 and CA 10.1. Haven't felt well for months. Could high calcium be a fluke (dehydration)?

I would be most: Suspicious of the low vitamin D level. The PTH (normal range considered to be 10-65 pg/ml or ng/L) seems to be about right for the modestly elevated initial calcium level. But if that calcium level was really the result of dehydration (which could be the explanation) then a PTH of 14 is a little low and hypoparathyroidism might be considered. Consider further investigation and vitamin D supplement ...Read more

Dr. Ashu Syal
655 doctors shared insights

Dehydration (Definition)

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