Pyuria resident survival guide
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:
Overview
Pyuria is a urinary condition characterized by a high number of white blood cells in the urine. It is generally characterized as the presence of 10 or more white blood cells per cubic millimeter in a sample of urine, 3 or more white cells per high-power field of unspun urine, a positive result on Gram's staining of an unspun urine specimen, or a urinary dipstick test that is positive for leukocyte esterase. Pyuria most commonly occurs in urinary tract infections (UTI) and/or sepsis. Other causes include sterile pyuria, STDs, pneumonia, interstitial cystitis, kidney stones, pelvic infections and urinary fistulas. Long-term usage of some medications, including aspirin, diuretics, nitrofurantoin, PPIs and NSAIDs, induces pyuria.
Causes
Life Threatening Causes
Life-threatening causes include conditions which may result in death or permanent disability within 24 hours if left untreated.
Common Causes
Diagnosis
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Treatment
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Do's
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Don'ts
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