Finally, on February 20, 1792, President Washington formally created the U.S. Postal Service with the signing of the Postal Service Act, which outlined in detail Congressional power to establish official mail routes.
The two concerns are firstly that Haldol (like all other antipsychotics) can cause tardive dyskinesia and as that is clinically related to Parkinson's this is an express concern with people with Parkinson's.
For the treatment of tremor in patients with Parkinson's disease:. In a study of 19 patients with Parkinson's disease, benztropine was compared to clozapine for the management of tremor. Three subjects dropped out of the study. Both drugs improved tremor to approximately the same degree. At the end of the study, 5 subjects chose to continue benztropine and 4 chose clozapine.