<s>[INST] my father has got kidney failure...and doctor advised...dialysis..i want to know what is this dialysis..pls post a reply [/INST] Dialysis is a procedure for reducing accumulated waste products in the bood on account of kidney failure when kidneys no longer can do it on their own sufficiently.It can be used both for acute as well as chronic kidney failure.It is primarily of 2 types namely Hemodialysis(blood & artificial membrane based)done with the help of a dialysis machine & can be done both at home or in the hospital.Although in majority of centres in India it is done in Hospital setting.Other type is Peritoneal(Abdominal natural membrane based) also can be done both in the hospital as well as at home,& is a preferred modality by the people who want to do it at home.Both the dialyses are good for the patient requiring dialysis </s>