There are many causes of nephrotic syndrome. In most cases, a kidney biopsy is needed to make a specific diagnosis and this leads to specific treatment of the nephrotic syndrome. You can read about nephrotic syndrome on our web site at: https://www.kidney.org/atoz/content/nephrotic
You should consult with a nephrologist about the treatment of nephrotic syndrome. Flares of the nephrotic syndrome are related to the underlying cause and this must be evaluated by the results of a kidney biopsy. Each disease that causes the nephrotic syndrome has a generally recognized treatment, expected prognosis and clinical course. Hence, it is best to consult with your nephrologist about the treatment of nephrotic syndrome.