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Doctor insights on: Causes Of Proteinuria

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Why nephrotic syndrome cause massive proteinuria but no hematuria?

Why nephrotic syndrome cause massive proteinuria but no hematuria?

See below: Nephrotic syndrome can be caused by many diseases . Diseases such as diabetic nephropathy, membranous gn, fsgs may cause nephrotic syndrome hematuria and proteinuria occur in eg lupus nephritis the prescence of only proteinuria helps the clinician narrow down to certain diseases before resorting to a biopsy. ...Read more

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Dr. Nour Baltagi
119 doctors shared insights

Proteinuria (Definition)

Proteinuria means the presence of excess of serum proteins in the urine. The excess protein in the urine often causes the urine to become foamy. Up to 150 mg a day of protein may be excreted by a normal person most of this being tamm-horsfall protein. Between 150-300 mg/day may be considered microalbuminuria and greater than 300mg/day is abnormal and ...Read more


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Severe edema from waist down, worsening daily, caused by proteinuria (+2), does not respond to diuretics, no HBP, no diabetes, kideny,heart ok.Cause?

Severe edema from waist down, worsening daily, caused by proteinuria (+2), does not respond to diuretics, no HBP, no diabetes, kideny,heart ok.Cause?

IVC occlusion: Whoa. +2 proteinuria does not cause massive edema of your lower body. I suspect you have occlusion of your inferior vena cava by a thrombus perhaps propagated from a renal vein, or occlusion by somthing, perhaps tumor in or around it. Get with a consultant physician who's a good communicator. ...Read more

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What medications can cause proteinuria?

What medications can cause proteinuria?

Proteinuria: The most common cause of proteinuria caused by medications is nsaids, others are, nicotine, penicillamine, lithium carbonate, gold and other heavy metals, antibiotics, or opiates (especially heroin. Proteinuria can be caused by other things and is a symptom, not a diagnosis. Please see your doctor to be evaluated for its cause and treatment and tell him of the medications you are taking. ...Read more

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Do antibiotic cause proteinuria?

Do antibiotic cause proteinuria?

Possible: Some antibiotics can cause Allergic Interstitial Nephritis and can manifest with proteinuria. But proteinuria is usually a manifestation of systemic diseases such as diabetes mellitus and hypertension or could be from a variety of kidney diseases. Proteinuria needs a full evaluation depending on the severity of it. ...Read more

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Does low serum globulin affect blood tests that assess immunoglobulin levels? For example if an illness caused proteinuria, could a disease actually cause the test for it to be falsely negative?

Does low serum globulin affect blood tests that assess immunoglobulin levels? For example if an illness caused proteinuria, could a disease actually cause the test for it to be falsely negative?

Depends: If your immunoglobulin(s) is low especially when it involves igg, your immune system is likely impaired. It is not a "false-postive" result although the cause for the deficiency may vary and treated accordingly. ...Read more

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What can cause foamy urine, besides proteinuria?

What can cause foamy urine, besides proteinuria?

Normal urine: Normal urine will produce foam depending on how the stream hits the already voided urine. ...Read more

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What could cause foamy urine, besides proteinuria?

What could cause foamy urine, besides proteinuria?

Bile, air,medication: Bilirubin causing bilirubinuria can cause foamy urine, also fistula (abnormal connection) between bowel and urinary tract can cause pneumaturia, occasionally a medication like pyridium (phenazopyridine). Most common cause is proteinuria, which if present, should be worked up and treated. ...Read more

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Does proteinuria cause swollen limbs?

Does proteinuria cause swollen limbs?

In the extreme case: If the urine protein loss is sufficient to cause a drop in serum Albumin below normal (3.0 g/dl), then there isn't enough oncotic pressure to keep fluids in the blood stream and they seep out to the soft tissues, causing edema. Edema from other causes is much more common. ...Read more

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My urine test reveal that I have proteinuria (plus 3) what can cause of this and is there any treatment. ?

My urine test reveal that I have proteinuria (plus 3) what can cause of this and is there any treatment. ?

Rule out...: ... Orthostatic proteinuria. Some folks get protein in the urine just from standing up. Rule this in or out by checking a first-voided morning urine. If you do have morning proteinuria, a kidney consult is in order. ...Read more

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Dr. William Singer
98 doctors shared insights

Protein In Urine (Definition)

Protein is an expensive commodity for the body. The kidneys are entrusted to return protein back to the body during filtering, and not lose it to the urine. Losses > 150mg/day are indicative of a problem with the filtration mechanism of the kidney. A nephrologist should be consulted ...Read more