Itching in the end stage liver disease
can be quite problematic , there are quite a few thing tried for it with limited success in some cases.
anti- histaminic like cetrizine, diphenhydramine
, loratidine etc can be tried.
some local application lotions a like calamine and soothing agents are useful.
then there are medications like rifampicin
please consult your doctor to see if any of these work for you.