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A 34-year-old female asked:

My 5 yr old has 1+ protein in his urine. blood was negative. he was tested because he pees a lot. he holds his pee overnight just fine. normal find?

2 doctor answers4 doctors weighed in
Dr. Katharine Cox
Pediatric Emergency Medicine 45 years experience
Likely OK: Chances are your doctor was checking for infection or glucose. Often a small amount of protein can be present in the morning caused by a flat position overnight. This can sometimes run in families. At some point your doctor can recheck his urine through the day. The next step would be a 24 hour collection to measure the amount. +1 is not a large amount. All the best.
Dr. Katharine Cox
Pediatric Emergency Medicine 45 years experience
Provided original answer
Orthostatic proteinuria is no protein when lying flat or in the morning and present when upright. I think I explained that backwards. Sorry and thanks!
Sep 3, 2015
Dr. James Ferguson
Pediatrics 46 years experience
LIKELY NORMAL: By itself this is not unusual and can be followed by a restudy in a few weeks or months, if you drop in for another issue. It can show at this level for even a mild fever or in some because standing/walking lets a little slip through.A first morning urine would be clear if this were the cause. I wouldn't loose any sleep over it.

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Last updated Sep 3, 2015

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