Suggest Treatment For Kidney Shrinkage Along With Proteinuria

hi doctor i am suffering kidney problem past 1 1/2 years and i consult with a nephrologist he told both of my kidneys are become small and protein is going my urine too much so i an becoming lean day by day i am 40 years old working in saudi arabia creatine is 1.6 and blood urea is 60 pls advise me