Chronic renal failure suitable to eat what type of pressure drop drugs

Health counseling description:
Hello! My father was chronic renal failure has been two years, and the cause is hypertension caused. Now is 3-4 days to do dialysis every day eating antihypertensive drugs (Plendil, Ni Fuda metoprolol). effect total not very good, and sometimes blood pressure reached 200 or more I would like to ask, this condition eat what brand of antihypertensive drugs are the most ideal, there is close to a day or two dialysis body skin always itchy, and how to alleviate? dialysis after the first day of the limbs always weak. Sorry, more problems, please forgive an anxious daughter's heart!
Kidney disease experts answer:
Hello, it should be a comprehensive treatment for various tests currently used drugs can.