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A 54-year-old female asked:

Hi. i recently had a urine test and it came out leucocytes +3 and nitrites negative. i have had a high fever for 3 days. could i have a kidney infecti?

2 doctor answers2 doctors weighed in
Dr. Kathleen Mullane
Internal Medicine 32 years experience
UA w/Microscopic XM: Sounds like time for a real evaluation: a good physical exam. This appears to be a dip stick test. Leukocyte esterase is an enzyme from white cells ; nitrates bacterial waste. A proper urinanalysis w/microscopic exam ; bacterial culture will help. Sterile pyuria (no organisms w/white cells in the urine) can be many things: analgesic abuse, ureaplasma, tb, hsv, autoimmune ds, endocarditis.....
Dr. Claude Parola
Internal Medicine 40 years experience
Probably: Pyuria(white blood cell in urine) with fever and urinary symptoms is highly suggestive of uti.

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Last updated Dec 13, 2013

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