question: Sir my father s age is 68.He is a diabetic patient since 25 years also had blood pressure since equal years. He had bypass surgery at apolo two years back .At that time doctor told he may develop renal problem in the coming days .now it is since 5th 6 month we find his blood urea and creatinine level goes up along with blood pressure even though his blood sugar levels .and lipid profile is quite under control .problems like constipation arthritis and lower haemoglobin is also running with him .Now his creatinine and blood urea level are 3.5 and 90 .It is too much which put us in strain. Another problem of water retain ti on is also there . He is taking medicine like Ark amine ; Nicardia-20 .lonitab-5. Renhold .minipress-xl-5 metpure-50 .nephita .so now I want to know what should I do to develop in his healt conditions