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.
While it is not clear what events cause the abnormal nerve function linked to Parkinson's disease, there are certain conditions and medications that can cause Parkinson's disease-like symptoms. These include: 1  Certain medications. 2  Certain drugs such as antipsychotics used to treat severe paranoia and schizophrenia can cause a person to experience symptoms that resemble Parkinson's disease (Parkinsonism).