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Doctor insights on: What Is A Nitrite Positive Uti

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What is a nitrite positive uti?

What is a nitrite positive uti?

It shows: That you have bacteria in your urine that can convert the nitrate normally there into nitrite, gram negative bacteria such as e.coli can do this if urine at least two hours' old in bladder ...Read more

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Nitrite (Definition)

Comprised of nitrogen & 2 oxygen molecules. Sodium nitrite is used in meat industry to prevent bacterial growth & to maintain the meat's red color (≥ 22mg/kg body weight is toxic); cooking at high heat allows nitrites to combine with Amino Acids to form nitros-amines (carcinogens). It can be converted by many pathways to nitric oxide, a potent vaso-dilator.Amyl nitrite can be ...Read more


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I took a home UTI in it's positive for nitrite what should I do?

I took a home UTI in it's positive for nitrite what should I do?

Talk to your doctor: The presence of nitrites just means there are bacteria in your urine that make that metabolite; it needs to be interpreted in the setting of symptoms and white blood cells in the urine, and if all are appropriate, needs antibiotics. All roads lead to discussion with the doctor. ...Read more

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Uti leukocytes shows positive, nitrite shows negative?

Uti leukocytes shows positive, nitrite shows negative?

What is the question: These are lab tests, the results of which cannot be interpreted outside the context of your clinical condition. You can have leukocytes in your urine without having a bacterial infection with an organism that converts nitrates to nitrites. ...Read more

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Do positive leukocytes and negative nitrites indicate a uti?

Do positive leukocytes and negative nitrites indicate a uti?

Maybe: Leukocytes (white blood cells) are found in urine when there is any source of irritation (uti, stones, tumors...). Nitrites in urine are generally due to bacteria that make nitrites, but not all bacteria do so. The only way to be sure you have a UTI (and know how best to treat it) is to have the urine cultured, which means it is grown in a lab for 48-72hrs, then tested with several antibiotics. ...Read more

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I took a UTI home strip test twice, both of which came out positive for leukocytes and negetive for nitrites. Does that mean I have a uti?

I took a UTI home strip test twice, both of which came out positive for leukocytes and negetive for nitrites. Does that mean I have a uti?

Possible: Not all UTIs give positive nitrite.Leukocytes could be present if urine not very cleanly collected in female(by wiping very well with antiseptic pad &labia separated).Only sure proof of infection is culture.If you did a dipstick test at home,I presume you are having symptoms. Best to see doctor & probably you will be given antibiotic probably after giving urine specimen. ...Read more

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When you do a home UTI test and the results are positive for leukocytes and negative for nitrite what does that mean?

When you do a home UTI test and the results are positive for  leukocytes and negative for nitrite what does that mean?

It's a maybe: White blood cells (leukocytes) can be present without nitrites with an infection, or maybe there are white blood cells present for another reason. This is a time when you should see a doctor so they can look at the urine in a microscope and possibly culture the urine to see if there really is an infection. Good luck. ...Read more

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What does it mean when your urine is positive for Nitrite and tested moderate for bacteria? Do you have a UTI? Is further testing necessary?

What does it mean when your urine is positive for Nitrite and tested moderate for bacteria? Do you have a UTI? Is further testing necessary?

Bacteria reduce NO3: These are lab findings on a urine test- and what needs to happen is for your doctor to interpret the test in the clinical setting. Specifically, I would want to 'match up' any urinary symptoms you have, with the urinary findings. A very important element of the urinalysis is whether you have white cells (WBCs) present or not. A few are allowed, but more than 5 and I would pay attention. ...Read more

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I took a UTI home strip test twice, both of which came out positive for leukocytes and negetive for nitrites. Have dull side pain. What could it be?

I took a UTI home strip test twice, both of which came out positive for leukocytes and negetive for nitrites. Have dull side pain. What could it be?

No diagnosis possibl: Not nearly enough information. You should realize that you are not getting a diagnosis on your own. You should have professional help. ...Read more

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


Dr. Martin Raff
1,891 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