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Doctor insights on: False Negative Uti Test

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Can you have a false negative UTI test?

Yes: Especially true in infants, although typically in adults you see some abnormalities... ...Read more

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Dr. Michael Swor
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Dr. Martin Raff
1,433 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


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Can antibiotics cause false negative UTI test?

Can antibiotics cause false negative UTI test?

Yes: If an antibiotic is taken before submitting the urine specimen, the urine culture is likely to show no growth (false negative) and urinalysis in general have a high rate of false positives and false negatives. ...Read more

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Dr. Michael Swor
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34 years in practice
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Cont back pain, peeing a lot, weird tingles in legs/feet, higher bbt, craving steak, insomnia..I had a false UTI & negative urine pregnancy test. Help?

Cont back pain, peeing a lot, weird tingles in legs/feet, higher bbt, craving steak, insomnia..I had a false UTI & negative urine pregnancy test. Help?

Confusing: Not sure what you mean by a false uti. If your urine pregnancy test is negative and you repeat it a few days later then you can rest assured you are not pregnant. See a primary care to discuss and organize a plan to evaluate all the other symptoms. ...Read more

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What could i be experiencing if I have the symptoms of a uti, but the test came back negative?

What could i be experiencing if I have the symptoms of a uti, but the test came back negative?

See below: There are other conditions your doctor will discuss. Among them is a condition called interstitial cystitis, which is inflammation of the bladder lining. ...Read more

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Symptoms of UTI off n on but test negative what could it be? N should I be worried?

Symptoms of UTI off n on but test negative what could it be? N should I be worried?

Mild OAB or IC: Hope you don't use bubble bath & you shower rather than bathe. That could be cause. Otherwise could be mild overactive bladder, interstitial cystitis or reaction to mediaction, caffeine or certain foods or beverages which can irritate the bladder. ...Read more

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Dr. Michael Swor
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Is it possible to find a false negativein a home UTI test?

Is it possible to find a false negativein a home UTI test?

Uti: Depends on the test, many are based on color changes with a chemical reaction that can be non-specific. A catheterized urine culture is the most reliable. ...Read more

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Period is a week late took a test but negatives what should I do and I also have a uti ?

Period is a week late took a test but negatives what should I do and I also have a uti  ?

Here are some ...: You did right thing by testing HPT in a wk after missing period. Clinically, you seem still in doubt so it's reasonable to repeat it in a wk. If still unsure, seek pro-evaluation and counseling. If you're confirmed to have UTI by symptoms + urinalysis from properly collected urine specimen, your should be treated accordingly and counseled on how to handle similar future events. Best wish ... ...Read more

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What would cause blood in your urine? I take UTI test negative for UTI but positive for blood?

What would cause blood in your urine? I take UTI test negative for UTI but positive for blood?

Blood in urine: If a UTI is ruled out, blood can come from the kidneys, stones in the ureters, bleeding from the bladder or from glomerular diseases of the kidney. See a urologist for a diagnosis of any bleeding from the kidney or its outflow tract and bladder. If no source is found, see a nephrologist to see if the glomerulonephritis is the cause of the bleeding. Good luck. ...Read more

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Dr. Michael Swor
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