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Traces of Protien and Blood in Urine
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cliff611 posted:
Hello,

I went to the doctor recently for hypertension. Today was my followup visit. My blood work showed no issues at all but I did two urine samples that had traces of protein and blood in them. My primary care physician referred me to a specialist for an ultrasound just to see what's going on but I am confused as to why the blood work was fine despite the traces in my urine.
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deanne65 responded:
The trace amounts might be indicative of low grade involvement of the kidneys, or maybe not. In any case, your blood values can be within normal range, however, I would say that it be best to keep track of longer term trends, and to get your blood pressure under control, for sure! You can also buy yourself urine test strips to measure at home, but be careful, it is easy to become obsessed with these things. LOL
 
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john-skpt responded:
Certain urinary infections can also cause blood and protein in urine. One might expect to also see leukocytes (actually leukocyte esterase) and elevated nitrates during a urinary tract infection, but the dipstick tests that this doc apparently used are really hypersensitive to certain things (like protein) and very frequently show false positive results.

Strenuous exercise can also cause traces of blood and protein to show up in a urine test. So can certain medications, including over the counter meds.

The only 100% sure test for infection is a urine culture, but it takes a few days and costs more for the doc to run, so very few of them take the trouble to use the best test available.

I wouldn't panic over this right now. follow up with the ultrasound, and if that looks clear, just keep an eye on future tests for anything suspicious.


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