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.
Not everyone who has parkinsonism has Parkinson's disease. There are many other causes of parkinsonism (secondary parkinsonism) including: Medications, such as those used to treat psychosis, major psychiatric disorders and nausea. Repeated head trauma, such as injuries sustained in boxing.