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Doctor insights on: Uti Test Leukocytes Positive Nitrite Negative

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Azo UTI test positive leukocytes but negative nitrites mean an std?

Azo UTI test positive leukocytes but negative nitrites mean an std?

UTI: Not necessarily. Your question assumes that we can diagnose on the internet, and this is impossible without a full exam and history and all your lab data. Good luck. ...Read more

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Dr. Christopher Crosby
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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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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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Dr. Christopher Crosby
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I am in china. I may have a uti. I took a over-the-counter test which came back positive for leukocytes but negative for nitrite. Help as what 2 take ?

I am in china. I may have a uti. I took a over-the-counter test which came back positive for leukocytes but negative for nitrite. Help as what 2 take ?

Antibiotics: If the symptoms are consistent and a proper urinalysis shows infection, the only reliable treatment is a course of antibiotics. Are there any over the counter antibiotics sold? If so, want are they? ...Read more

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Having lower back pain. Was on Macrobid for 7days, pain started on last day. At Home UTI test positive for leukocytes but negative for nitrites. Help!

Having lower back pain. Was on Macrobid for 7days, pain started on last day. At Home UTI test positive for leukocytes but negative for nitrites. Help!

Not uti: This low back discomfort doesn't seem to be caused by a uti but is more likely due to musculoskeletal problems. If bending,etc aggravates it, it points to spinal origin. If you can take them,NSAIDS like ibuprofen may help. Your physician can evaluate you if symptoms persist. ...Read more

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Dr. Christopher Crosby
Board Certified
10 years in practice
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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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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

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I have positive leukocytes but negative nitrite. I know that this means i probably have a uti. The problem is i can't afford to go to the doctor. Sugg?

I have positive leukocytes but negative nitrite. I know that this means i probably have a uti. The problem is i can't afford to go to the doctor. Sugg?

Clinic: There are a few clinics for uninsured patients, i would suggest seeing if you could walk in. If not most urgent care clinics will see for cash if you don't have insurance. ...Read more

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I took the at home AZO UTI test and my nitrite was negative, but the leukocytes was postie. Does this mean I have a UTI? I have pressure and burning.

I took the at home AZO UTI test and my nitrite was negative, but the leukocytes was postie. Does this mean I have a UTI? I have pressure and burning.

Possible UTI: You may have a UTI. Nitrites may show up on the test with certain bacterial infections of the urinary tract, but not others. I recommend seeking help from a health professional for further work up. Pressure and burning can be associated with a UTI. Hope that helps! ...Read more

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Dr. Martin Raff
1,402 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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Dr. Christopher Crosby
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