Specific treatment for nephrotic syndrome will be determined by your physician based on :
your age, overall health, and medical history
extent of the disease
your tolerance for specific medications, procedures, or therapies
expectations for the course of the disease
your opinion or preference

Treatment generally focuses on identifying the underlying cause, if possible, and reducing the following (often through diet, medications, or both) :

high cholesterol 
blood pressure 
protein in urine

Diet – dietary protein should not be increased above normal. Avoiding excessive salt is very important.

Hope Through Ayurveda

For Better Quality of life choose Ayurveda
As our understanding of the causes of kidney failure increases, so will our ability to predict and prevent these diseases. Recent studies have shown that intensive control of diabetes and high blood pressure can prevent or delay the onset of kidney disease.
In Ayurveda Medication 

Long-term outlook for nephrotic syndrome :
Relapses do occur throughout childhood. However, once a child reaches puberty, the disease usually stays in remission (complete or partial absence of symptoms). It is uncommon for symptoms to return during adulthood, however, it is possible.

In some cases there are. Some people with severe disease do not respond to treatment. After years of heavy protein leakage, the kidneys can fail, and some people will progress onto kidney failure with the need for dialysis or a transplant to keep them well. The renal biopsy and other tests help to predict the likelihood of this.