20th July 2023

You are reviewing a 74-year-old man who is taking prescribed antipsychotic medications, including aripiprazole and olanzapine.

You are reviewing a 74-year-old man who is taking prescribed antipsychotic medications, including aripiprazole and olanzapine. His wife has noticed that his movements have become slower over the past month.

Which of the following features suggests a diagnosis of Parkinson’s disease instead of drug-induced Parkinsonism?

Select the SINGLE most appropriate option from the list below. Select ONE option only.