US/CAN (English)

Parkinson’s-Related Hallucinations & Delusions


Parkinson’s disease is a progressive central nervous system disorder that affects about one million people in the United States.


of people living with Parkinson’s may experience hallucinations or delusions during the course of their disease.


For those living with Parkinson’s disease and their loved ones, these non-motor symptoms pose many obstacles and a greater burden of disease.

Parkinson’s-related hallucinations and delusions can take many forms, but in order to know what to look out for – let’s break down what each of these are. A hallucination is defined as a perception-like experience that occurs without an external stimulus and is sensory in nature (seeing, hearing, smelling, tasting, or experiencing something that others don’t), and a delusion is defined as a false, fixed belief despite evidence to the contrary like thinking someone is trying to steal from you or believing someone is talking about you.

While experts can’t pinpoint the exact causes of Parkinson’s-related hallucinations and delusions, we do know that starting a conversation with your healthcare provider about non-motor symptoms of Parkinson’s disease can be instrumental in getting the proper support for patients and caregivers. Through education and shared storytelling, we can help to reduce stigmas and spread knowledge about this condition that may/can interfere with daily living.

Why pay attention to these symptoms?

Hallucinations and delusions can worsen over time, and it can become harder for patients to distinguish reality. Around 90 percent of patients don’t proactively tell their physicians about these symptoms. A proper diagnosis is crucial for both patients and caregivers. In this section, you will discover resources, statistics, and support to help you and your loved ones along your journey with Parkinson’s disease.

Why You Shouldn’t Dismiss Parkinson’s Disease Psychosis (PDP) Symptoms

PDP can be frightening and difficult to put into words. Paying close attention to PDP symptoms early can make a world of difference in the long run. Symptoms can worsen over time, and it gets more challenging for those with Parkinson’s to assess what is real. It is important to seek help and learn how to manage these symptoms.

Healthcare Provider Discussion Checklist

Download our printable checklist to complete and bring to your healthcare provider on your next office visit.

Visit Your Healthcare Provider

Are you or a loved one possibly experiencing symptoms of Parkinson’s-related hallucinations and delusions? Don’t dismiss these symptoms. A visit to your healthcare provider for a medical evaluation can be beneficial for both you and your loved ones. Visit More to Parkinson's and find out more about what you can do to start the conversation.

Learn More