Thursday, February 24, 2005

Protein in the Urine

Here are some answers from MD's to the question about having tests come back showing protien in the urine.

Dr. Roque FamArias writes:

Protein in the urine can happen for many reasons. People with normal kidneys do not spill protein into their urine no matter what type of protein they eat.

The culprit is usually a problem with the kidneys, or one of the following: excessive exercise, fever, acute allergic reaction, malignant hypertension (high blood pressure), some kind of systemic disease such as lupus, diabetes (once it affects the kidney), cancer (multiple myeloma and many others), etc; exposure to certain drugs or toxins like mercury, gold, lead, etc.; heart failure, pregnancy, obesity, some inherited diseases, many systemic infections, especially of the kidney (and past history of glomerulonephritis which is an infection of the kidney proper).

BUT, not from soy, unless the guy is severely allergic to it. The bottom line is he needs to see his doctor, have the urine repeated , and if the protein is still there, he needs further workup. Don't blame it on the soy protein because this is highly unlikely.
Stay healthy, Roque. (Dr. Roque Arias)-
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Daniel Pugh MD writes:
I'm Nancy's husband Dan, & I'm an MD. Regardless of diet there is normally no protein in the urine. Protein in the urine is a sign of kidney disease, not high-protein diet. Your upline's proteinuria during pregnancy was probably a symptom of pre-eclampsia, which is a kidney disorder of pregnancy.

The commonest disorders that put protein into the urine are diabetic kidney disease, hypertensive kidney disease and inflammatory diseases of the kidneys. Some people's kidneys leak protein for no apparent reason, but that can only be decided by looking for everything else & not finding it.

However it is also true that part of the medical management of any chronic kidney disease is to restrict dietary protein intake because processing the breakdown products from protein metabolism is a stress on a weak kidney, though not on a well one.

So this person needs to work with his doctor to find out what's going on, and take care of it.- Daniel Pugh MD

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