What is the cause of membranous nephropathy stage 2 with a lot of foam in the urine?

Membranous nephropathy stage 2 with a lot of foam in the urine consider proteinuria may be one of the common symptoms of the disease or the manifestation of changes in the condition.
Membranous nephropathy is a diffuse glomerular lesion, prevalent in middle-aged and elderly people, 15% to 20% with asymptomatic proteinuria as the first symptom, 80% manifested as nephrotic syndrome. Proteinuria is non-selective. 30% to 50% of adult patients have microscopic hematuria, while hematuria is rare. Proteinuria is characterized by an increase in urine foam.
If there is a sudden increase in foamy urine, consider the aggravation of proteinuria, renal function damage may be, should pay attention to the renal vein thrombosis, the therapeutic effect of nephropathy and prognosis has a direct impact.
Membranous nephropathy stage 2 with a lot of foam in the urine, it is recommended to go to the regular hospital for further examination, to clarify the cause of the disease, and standardized treatment under the guidance of the doctor.