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Doctor insights on: Uti And High Creatinine Levels

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Dr. Gurmukh Singh
Board Certified, Pathology
43 years in practice
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Dr. William Forsythe
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Dr. Martin Raff
1,502 doctors shared insights

Urinary Tract Infections (Definition)

A urinary tract infection (often called UTI) is most commonly caused by bacteria and usually refers to an infection in the bladder. Not all bacteria that grows from the urine represents an infection, so the need for antibiotics is determined by your ...Read more


Dr. Visalakshi Vallury
Board Certified, Family Medicine
18 years in practice
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Why creatinine level increases in uti?

Why creatinine level increases in uti?

Number of reasons: Normally in a routine UTI, the creatinine should not be effected. If the UTI is completed and involves the kidneys, the creatinine level may increase due to kidney damage from the infection. Alternatively, some medications may cause an elevation. The creatinine may increase with a simple decrease in fluid consumption as well. ...Read more

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Dr. William Forsythe
Board Certified
21 years in practice
169K people helped
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Dr. Gurmukh Singh
Board Certified, Pathology
43 years in practice
95M people helped
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What significance is an elevated bun/creatinine ratio? I also had WBC on urinalysis but no bacteria, no signs of uti. Bun and creatinine individually

Better to look at: Actual results rather than the ratio. What are the results for BUN and creatinine? Please note that all lab 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. ...Read more

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Dr. Gregory Lewis
Board Certified, Urology
38 years in practice
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Can UTI have a role in increased bun and creatinine?

Can UTI have a role in increased bun and creatinine?

Not usually : An uncomplicated, simple UTI (e.G, cystitis /bladder infection) would not affect your bun/creatinine/gfr which are the blood tests that reflect the overall function of the kidneys. A complicated, severe UTI affecting the kidneys (pyelonephritis) could, directly and or indirectly, affect kidney function and these blood tests if associated with sepsis, obstruction, or significant dehydration. ...Read more

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Dr. William Forsythe
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Dr. Joseph Woods
Board Certified, Pathology
22 years in practice
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Low bun/creatinine 5:1 and UTI symptoms. with out Uti. Could this be of concern?

It depends,,,: It depends on the actual levels of BUN and Cr reported along with other lab values. If the Cr (Creatinine) is over 1.5 there might be cause for concern as it would point toward renal impairment, and there'd be other findings. Your other symptoms mentioned, flank pain, blood in urine, and proteinuria also point to a renal issue so see your doctor soon for more tests and treatment of the cause. ...Read more

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Dr. Jack Rubin, M.d.
Board Certified, Nephrology and Dialysis
42 years in practice
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Would getting a UTI cause the kidney numbers like egfr, bun, and creatinine to change for the worse?

Would getting a UTI cause the kidney numbers like egfr, bun, and creatinine to change for the worse?

UTI and EGFR: Normally, uti's have no effect on gfr. If you have some obstrction (o) in your urinary outflow tract, your GFR can decrease until the o is resolved. What was the time interval between your GFR readings? Call you doctor and get his advice or see a nephrologist for another opinion. Good luck. ...Read more

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Dr. Martin Raff
Board Certified, Infectious Disease
50 years in practice
103M people helped
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S. creatinine increased from 1 to 1.27 in 6 mnths. No albumin or RBC in urine. Frequent urination, smelly, red color. 2-3 epith+pus cells. is it UTI?

Cannot diagnose: This cannot be diagnosed long distance over the internet. You really should be seen by a doctor and fully evaluated. The elevation in creatinine may have been due to your state of hydration at the time of testing. Go and get seen. ...Read more

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Dr. Alvin Lin
Board Certified, Geriatrics
24 years in practice
72M people helped
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My AST is 49, my ALT is 83, bun/creatinine is 16.3. I have right flank and back pain on right side and my UA was positive for moderate bacteria. UTI??

My AST is 49, my ALT is 83, bun/creatinine is 16.3. I have right flank and back pain on right side and my UA was positive for moderate bacteria. UTI??

UTI + liver disease: You didn't mention painful frequent urination w/urgency, which are hallmarks of urinary tract infections (UTIs), whether simple cystitis (bladder) or pyelonephritis (kidney). Regardless, urine should be sent for culture & sensitivity so that doctor can confirm you've received appropriate antibiotic. Also need to monitor liver function given elevated AST & ALT, even test for infectious hepatitis ...Read more

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Dr. Geoffrey Rutledge
Board Certified, Internal Medicine
35 years in practice
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I have high cretatine of 141.. Will disodium hydrogen citrate liquid for UTI infection increase level of cretatine?

I have high cretatine of 141.. Will disodium hydrogen citrate liquid for UTI infection increase level of cretatine?

Unclear: Are you referring to measurements of urine or blood? The creatinine in your blood is normally less than 1 mg/dl, and urine measurements will vary wildly according to the concentration of your urine. Either way, creatinine levels should not be affected by taking citrate (which acidifies the urine and helps clear bacterial bladder infections). ...Read more

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Dr. Eric Umbreit
Board Certified, Urology
8 years in practice
145K people helped
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Does a high pH level in your urinary tract cause uti, or the other way around?

Does a high pH level in your urinary tract cause uti, or the other way around?

Cause and effect: Some bacteria thrive in higher, or more basic, ph. And some bacteria cause elevated pH and subsequent urinary stones. This is one of the premises of Hiprex + vitamin c treatment to prevent UTI in patients suffering from recurrent uti. By maintaining a relatively lower ph, UTI may be less likely. ...Read more

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Dr. Madhu Kandarpa
2,135 doctors shared insights

Creatinine (Definition)

It is a byproduct of creatine phosphate which is present in muscles. Levels are increased ...Read more


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Dr. William Forsythe
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