Scientists have still to find out the causes of schizophrenia. Schizophrenia is associated with side effects of antidepressants. National Institute of Mental Health, sponsors of drugs that may improve schizophrenia can only monitor symptoms. He suffers from hallucinations and delusions, schizophrenia treatments, . The exact problem in the brain is only partially understood. These drugs are highly effective in prevention of hallucinations and delusions.