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Dr. A. Clark
Dr. A. Clark, Pediatrician
Category: Pediatrics
Satisfied Customers: 4437
Experience:  33 years of experience as a general pediatrician in private practice and in pediatric urgent care.
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What causes too much protein in a 12 year old boys urine

Resolved Question:

What causes too much protein in a 12 year old boy's urine?
Submitted: 7 years ago.
Category: Pediatrics
Expert:  Dr. A. Clark replied 7 years ago.
It is never normal to have protein in the urine and it usually indicates inflammation in that part of the kidney where wastes are excreted into the urine called the glomerulus. Such problems are known as glomerulonephritis, meaning an inflammation in the kidney that is allowing protein, sometimes blood, and other substances to leak out that normally don't pass into the urine.

Sometimes these conditions are temporary but when persistent tests need to be performed to determine what the cause could be by blood and urine tests and even a kidney biopsy in some cases.

Glomerulonephritis (or just nephritis) can be temporary or permanent leading to declining kidney function. I would think that he will have the appropriate testing done and then if indicated he will be referred to a nephrologist, or kidney specialist, for further testing. It is very important to follow through with all the recommendations of your doctor to be sure that the problem is determined and treatment initiated if necessary.
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