What causes proteinuria in nephritis patients?

Nephritis patients with proteinuria is mainly caused by renal function decline.

Nephritis may be caused by microbial infection, other diseases induced, genetic, drug and autoimmune disorders, etc. The patient's kidney tissue can be continuously destroyed, the filtration reabsorption function is obviously reduced, a large number of protein molecules cannot be reabsorbed by the body after filtration, and can be excreted with urine and form proteinuria

.