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Doctor insights on: Uti Test Leukocytes Positive Nitrite Negative

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Dr. Samuel Lee
Board Certified, Urology
25 years in practice
134K people helped
1

1
UTI test strips at home. Leukocytes - positive & Nitrite - negative . What does that mean? No pain and burning. Leuk. was 3+ at doc's office in Feb.

UTI test strips at home. Leukocytes - positive & Nitrite - negative . What does that mean? No pain and burning. Leuk. was 3+ at doc's office in Feb.

Cystitis: Leukocytes are our body's defense mechanism of fighting bacteria or virus. There is a reaction occurring in the bladder for some reason (and sometimes without symptoms). If your UA shows high specific gravity (>1.025), then you may need to increase fluids in your diet. Then, periodically recheck with UA test strips. If persistent leukocytes, you may need to undergo a cystoscopy. ...Read more

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Dr. Bennett Machanic
Board Certified
46 years in practice
47M people helped
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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


Dr. Martin Raff
Board Certified, Infectious Disease
50 years in practice
103M people helped
2

2
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. Bennett Machanic
Board Certified
46 years in practice
47M people helped
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Dr. Lonna Larsh
Board Certified, Family Medicine
24 years in practice
11M people helped
3

3
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. Robert Bennett
Board Certified, Urology
24 years in practice
1M people helped
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Dr. Bennett Machanic
Board Certified
46 years in practice
47M people helped
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Dr. Ryan Venis
Board Certified, Emergency Medicine
13 years in practice
35K people helped
5

5
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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Dr. Donald Colantino
Board Certified, Internal Medicine
55 years in practice
5M people helped
6

6
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. Tonya Fordham
Board Certified, Family Medicine
16 years in practice
226K people helped
7

7
I have lower back pain, but uti test strip says positive leukocytes but negative nitrites? I also feel as if I'm still urinating when I've stopped

I have lower back pain, but uti test strip says positive leukocytes but negative nitrites? I also feel as if I'm still urinating when I've stopped

Urethritis : This can be bacterial or irritation. There are meds for symptoms or a shrt course of antibiotic if warranted. I hope you feel.well soon. ...Read more

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Dr. Spencer Land
Board Certified, Urology
20 years in practice
662 people helped
8

8
I have lower back pain and have been urinating more frequently and feels like I'm still urinating even when I've stopped, no burning or itching however. Uti test strip said positive for leukocytes but negative for nitrites. Is this a UTI or something else

Cystitis: The presence of leukocytes indicates cystitis or inflammation of the bladder. This is usually caused by a UTI which can be present despite negative nitrites. Low back pain, urinary urgency & frequency, painful urination may occur. Caffeine, alcohol, spicy foods, acidic foods (citrus fruits, tomatoes) may worsen the symptoms. Less likely causes would include interstitial cystitis or tuberculosis. ...Read more

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Dr. Robert Uyeda
Board Certified, General Surgery
39 years in practice
5M people helped
9

9
I took an at home strip test for UTI. Positive for leukocytes, negative for nitrite. Some burning with pee, vulva irritated. No fever/other symptoms?

I took an at home strip test for UTI.  Positive for leukocytes, negative for nitrite.  Some burning with pee, vulva irritated. No fever/other symptoms?

Sounds like: bladder infection. Proper treatment would require most likely antibiotics. If left untreated, it could cause scarrin gof bladder or urethra, or spread to kidney. Consult with a physician. ...Read more

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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


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Dr. Bennett Machanic
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46 years in practice
47M people helped
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