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Doctor insights on: Uti And High Creatinine Levels

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What is the connection between a UTI and high creatinine levels?

What is the connection between a UTI and high creatinine levels?

UTI may be the cause: Urinary tract infections, especially chronic infections of the kidney may cause kidney failure and increase in serum creatinine levels.

Dr. Debra Rosenblatt
6 Doctors shared insights

Urinary Tract Infection (Definition)

A urinary tract infection, also known as an UTI, may involve the kidney, ureter, bladder, or urethra. A common cause is an intestinal bacteria, E. coli. Common symptoms include a frequent urge to urinate, and pain or burning when urinating. Antibiotics are typically ...Read more


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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.

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Negative in UTI & diabetes & creatinine is in lowest level. But with frequent urination. What could possibly be the causes?

Negative in UTI & diabetes & creatinine is in lowest level. But with frequent urination. What could possibly be the causes?

Bladder spasms: You could have overactive bladder from dietary irritants. Test this out by removing from you diet all: chocolate, peppermint, tomato, citrus, spicy food, alcohol, tobacco, caffeine, and artificial sweeteners. After 2-3 weeks, try re-introducing each of these items one-by-one to see if a certain product causes your urinary frequency.

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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.

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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.

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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.

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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.

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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.

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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

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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.

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What to do if I have no albumin in my urine. Does a very high cholesterol level cause uti?

What to do if I have no albumin in my urine. Does a very high cholesterol level cause uti?

Albumin = good news: Good not to have Albumin or protein in urine. Elevated cholesterol levels havenothing to do with uti's. Utis almost invariable are caused by bacteria reaching the bladder, attaching themselves to bladder wall and multiplying. Levevated cholesterol is due in part to genetic factors & in part to diet. Advise a low cholesterol diet & your dr. Will prescribe statins if necessary. Good luck.

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If I have high leukocyte and low nitrate levels on UTI test, what could these indicate? Is herpes a possibility?

If I have high leukocyte and low nitrate levels on UTI test, what could these indicate? Is herpes a possibility?

Some STDs, not HSV: Certain STDs could do this, especially chlamydia or gonorrhea. But not herpes. If you are concerned about having genital herpes but have not had obvious genital outbreaks (blisters, sores), ask your doctor about possibly doing a blood test for HSV2.

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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).

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Would azo cause a negative UTI result? Took a UTI test Wednesday at the doctor. High nitrate levels. Negative lab culture came back today.

Would azo cause a negative UTI result? Took a UTI test Wednesday at the doctor. High nitrate levels. Negative lab culture came back today.

Prostatitis: Assuming that you are a 22 y/o male, the most common cause of lower urinary symptoms is prostatitis. urine cultures are often negative with prostatitis. It is a clinical diagnosis which requires examination and careful history taking. Check with a urologist for examination and diagnosis if symptoms persist.

Dr. James Lin
1,958 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. Madhu Kandarpa
2,215 Doctors shared insights

Creatinine (Definition)

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