no, liver failure does not cause
schizophreniaParanoid schizophrenia
Schizophrenia
Schizophrenia - disorganized type
Schizophrenia - paranoid type, but drinking certainly makes the symptoms worse and the capacity to fight off the disturbing paranoia much harder.
You probably know that already..but if you can, see what you or his doctor can do about the drinking. Obviously a good rehabilitation program that deals with both the schizophrenia and the drinking would be the ideal treatment environment.