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Urine Analysis Shows Positive For Hemoglobin, Nitrites, Leukocyte Esterase. Had Kidney Stone, Broken It. Underlying Cause?

I just got the results of a urine analysis, and they are positive for hemoglobin, nitrites, and leukocyte esterase, which, I suppose, should all be negative. Should I be concerned? What could cause this? I had a large kidney stone (13mm diameter) broken up via lithotripsy about 8 years ago. Could the return of kidney stones cause this?
Fri, 15 Nov 2013
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Pathologist and Microbiologist,  's  Response
Hello and welcome to HCM,
The urine analysis report reveals presence of hemoglogin, nitritis and leukocyte esterase.
Hemoglobin appears in urine due to break down of red blood cells and release of hemoglobin in urine.
Hemoglobin appears in urine due to kidney diseases. The most common being nephriti syndrome.
Nephritic syndrome is a group of clinical findings caused by a number of kidney problems.
You need to consult a nephrologist for further investigations.
Kidney biopsy may be required to know the pathological changes in the kidney tissue.
Nitritis and leukocyte esterase is present in the urine in cases of infections.
A urine culture may be required to isolate the causative micro-organism causing the infection.
Thereafter a drug sensitivity test will identify the drug most effective against the micro-organism.

Thanks and take care
Dr Shailja P Wahal
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Urine Analysis Shows Positive For Hemoglobin, Nitrites, Leukocyte Esterase. Had Kidney Stone, Broken It. Underlying Cause?

Hello and welcome to HCM, The urine analysis report reveals presence of hemoglogin, nitritis and leukocyte esterase. Hemoglobin appears in urine due to break down of red blood cells and release of hemoglobin in urine. Hemoglobin appears in urine due to kidney diseases. The most common being nephriti syndrome. Nephritic syndrome is a group of clinical findings caused by a number of kidney problems. You need to consult a nephrologist for further investigations. Kidney biopsy may be required to know the pathological changes in the kidney tissue. Nitritis and leukocyte esterase is present in the urine in cases of infections. A urine culture may be required to isolate the causative micro-organism causing the infection. Thereafter a drug sensitivity test will identify the drug most effective against the micro-organism. Thanks and take care Dr Shailja P Wahal