Schizophrenia Support Group
Schizophrenia is a psychiatric diagnosis that describes a mental disorder characterized by impairments in the perception of reality and by significant social dysfunction. Untreated schizophrenia is typically characterized by demonstrating disorganized thinking and experiencing delusions or auditory hallucinations.

Keep a eye on him, and if you soon do not see any change in him, bring him back to the doctor.
Some meds may work for some people, but not for others. He may possibly have to try other meds to find the right one for him.
http://en.wikipedia.org/wiki/Akathisia The interesting thing though is no one can predict which meds you will get it with and which ones you will not, so you have to keep trying them until you find one that works. Extreme akathisia though is hell. :-(