Parkinson’s disease is a neurological movement disorder that changes and often progresses the longer someone has it. There are several ways to assess and monitor disease progression of PD. One of those ways is to understand the five stages of Parkinson’s.
It is important to note that everyone with PD experiences their own unique symptoms and disease progression. No two people will have the same Parkinson’s journey. A person can develop advanced Parkinson’s disease after many years, or they may experience a faster disease progression.
The Parkinson’s staging system is based on the Hoehn and Yahr scale introduced in 1967. The Hoehn and Yahr system focuses on disability caused by motor symptoms such as bradykinesia (slowed movements), tremor, and loss of balance. Neurologists use the scale to track motor (movement) symptoms and also monitor disease progress.
As each stage number increases, this generally accounts for more impairment, along with increased difficulty with daily activities.
During this early stage of PD, people show mild symptoms that usually do not get in the way of their daily routines. Tremor, stiffness, and bradykinesia happen on only one side of the body.
In addition, a person with stage 1 PD may also have:
Symptoms begin to worsen during stage 2, spreading from one side of the body to both sides. There may be difficulty walking and changes in posture, facial expression, and voice.
Individuals with stage 2 PD can typically still live by themselves. However, daily tasks may become more difficult and time-consuming.
Loss of balance and bradykinesia are the most common symptoms of this stage of PD. Individuals at stage 3 are likely to experience falls.
People who are at stage 3 of PD can typically still carry out their daily activities by themselves, but their symptoms cause greater impairment with tasks like eating and getting dressed.
This stage marks the beginning of advanced-stage Parkinson’s Disease. At this point, Parkinson’s symptoms have become limiting and severe. Individuals in stage 4 may be able to stand without any help, but movement throughout the home often requires a walker.
In addition, those in stage 4 typically need assistance with all of their activities of daily living. They are not usually able to live by themselves.
This is the most severe stage of neurological dysfunction in Parkinson's. Rigidity (stiffness) can keep a person with stage 5 PD from being able to either stand or walk. Individuals in this stage typically need a wheelchair to get around, and they may be bedridden.
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Some neurologists also use the Unified Parkinson’s Disease Rating Scale (UPDRS) to track the symptoms of PD. The UPDRS is a more extensive tool that also checks nonmotor symptoms of Parkinson’s, such as:
Members of MyParkinsonsTeam have discussed a wide range of experiences when it comes to how their condition progresses. “I was diagnosed with PD in 2003, and my symptoms did not advance significantly until 2019,” one member wrote. Another said, “My PD has advanced slowly and I feel pretty good most of the time.”
By understanding the stages and progression of PD, you can anticipate and better navigate your Parkinson’s journey.
Apart from neurological dysfunction, people with advanced-stage PD may develop other problems.
People with advanced PD have likely been taking their medications for a long time. This means they are at risk for experiencing a wearing-off effect of their medication.
Parkinson’s research shows that this may happen for the following reasons:
When someone with advanced PD no longer responds well to medications taken by mouth, their doctor may recommend injectable or infused medications to manage the symptoms.
When a person with advanced PD experiences dyskinesia, they should consider discussing the following treatment options with their doctor:
MyParkinsonsTeam is the social network for people with Parkinson’s disease and their loved ones. On MyParkinsonsTeam, more than 82,000 members come together to ask questions, give advice, and share their stories with others who understand life with Parkinson’s disease.
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