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Nitrite Positive In Urine Pyelonephritis
Could be either: Infection in the urinary tract often begins with a bladder infection; this may extend further "upstream" to involve the kidneys (but the kidneys could also be a primary source of infection). Either way, nitrates on the dipstick urinalysis usually is how's up as a "byproduct" of bacteria commonly infecting the urinary tract. A kidney infection is usually more symptomatic and more serious. ...Read more
Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more
See below: If you do not have symptoms of uti, don't worry. ...Read more
25yo male asymptomatic, come with urine biochemistry showing positive nitrite, red cells 1+, protein 1+, bilirubin1+, urobilinogen 1+. Why?
Urine results: These results could be all false positive, but he needs to be evaluated further by repeat ua and culture. Nitrites can be positive from air exposure, contamination or phenazopyridine. Protein can be present transiently from benign causes such as standing for a long time. Bilirubin and uribilinigen can be due to liver/biliary problems. Rbcs can be due to infection, stones, tumors or kidney disease. ...Read more
More information: There is more information on a urinalysis that is needed to know what might be going on. Where there red blood cells, leukocyte esterase, etc? Also, why was the test performed in the first place. Please repost the question with more details. It may be that the specimen was not a 'clean catch' meaning it has some contamination and should be repeated. ...Read more
My urine test was positive for nitrites, 2+ protein, and 1+ bilrubin. all the other fields are normal. including bacteria. are these results ok?
Ua showed i was negative for leukocytes. Negative for white blood cells but positive for nitrites and many crystals in urine. Is this normal?
Clinical symptoms?: It is possible to have a UTI that only shows positivity for nitrites and be negative for wbcs. Studies have shown that when nitrites are positive, a UTI has a strong chance of being present ( = good specificity for the test). Many crystals can be caused by kidney stones or food metabolism issues. ...Read more
Pain in right kidney area for 3day, urine strip shows leukocytes, nitrites & proteins, rest normal. Taking rifaximin (5th day) for BOS. Any relation?
Uti: When both leucoyte and nitrites are positive then it is strongly indicative of uti. If only leucocyte is positive and nitrite negative, it can still be uti, but with organisms who doesnt convert to nitrite, low urine ph or early phase of uti. Vice versa also indicates UTI and if alone nitrite is pos it is still a strong predictor of uti. In all circumstances clinical signs and symptoms are imp. ...Read more
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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