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.
Haldol may make you dizzy, so do not drive or operate machinery until you know how it affects you. Do not drink alcohol and use Haldol. Haldol should not be used to treat dementia in elderly patients. For people with diabetes, Haldol may affect blood sugar levels. Consult with your physician about your medical history, including nervous system problems such as Parkinson's disease.