In Australia, Parkinson's diagnosis relies on a GP referral to a neurologist for clinical assessment, focusing on motor signs (tremor, stiffness, slowness) and non-motor symptoms (loss of smell, constipation, sleep issues), as there's no single definitive test. A specialist evaluates medical history, performs neurological exams, and may use scans (MRI, DaTscan) or medication trials (levodopa) to rule out other conditions and confirm the diagnosis over time.
Early signs of Parkinson's include non-motor issues like loss of smell, constipation, sleep problems (acting out dreams), and mood changes (depression, anxiety), alongside subtle motor changes such as a slight tremor, stiffness, slower movements (bradykinesia), or cramped handwriting (micrographia), often starting on one side of the body and appearing years before major movement issues, according to Parkinson's Australia and National Institute on Aging (.gov).
There is not a specific lab or imaging test that can diagnose PD. However, certain tests such as magnetic resonance imaging of the brain (MRI brain), a dopamine transporter scan (DaT scan), or blood work can be used to support the diagnosis of PD or to rule out other medical conditions that can mimic PD.
Between five and 30 percent of people with PD experience neuropathic pain. It feels sharp, electric, tingling or like coolness or numbness. In people with PD, changes in posture, as well as dystonia, can cause nerves to be crushed. A common type is sciatica - lower back pain that extends down one leg.
The 5-2-1 rule in Parkinson's disease is a clinical guideline to identify when the condition may be considered "advanced," suggesting a need for advanced therapies like Deep Brain Stimulation (DBS) or intestinal gel. It's met if a patient experiences at least 5 doses of levodopa daily, plus 2 or more hours of "Off" time (symptoms return), and/or 1 or more hour of troublesome dyskinesia (involuntary movements) daily, signaling inadequate symptom control.
Takes a medical history and does a physical examination. Asks about current and past medications. Some medications may cause symptoms that mimic Parkinson's disease. Performs a neurological examination, testing agility, muscle tone, gait and balance.
One of the most prevalent neurological disorders is Parkinson's disease (PD), characterized by four cardinal signs: tremor, bradykinesia, rigor and postural instability.
Most commonly however, patients present with marked asymmetric hand dysfunction followed by bradykinesia, tremor, rigidity, and a frontal syndrome.
See a Specialist
This doesn't have to be your regular doctor or primary neurologist. A movement disorders specialist will be on top of new treatments and advances in therapies. A specialist will have the full scope and knowledge of what's going on in the field of Parkinson's disease.
In this test the patient sits on a chair with both feet on the ground. The patient is instructed to rapidly tap the floor with the toes while the heel is kept in touch with the ground. The test is positive if the speed and/or amplitude of movement reduce over time.
Parkinsonian tremor loses its alternating aspect during non-REM sleep and is inhibited by REM sleep.
In the early stages of Parkinson's disease, your face may show little or no expression. Your arms may not swing when you walk. Your speech may become soft or slurred. Symptoms get worse over time.
💡 Quick Summary
Research has shown that exercise can improve gait, balance, tremor, flexibility, grip strength and motor coordination. Exercise such as treadmill training and biking have all been shown to benefit, along with Tai Chi and yoga.
Currently, there isn't a specific test to diagnose Parkinson's disease. A diagnosis is made by a doctor trained in nervous system conditions, known as a neurologist. A diagnosis of Parkinson's is based on your medical history, a review of your symptoms, and a neurological and physical exam.
The three “cardinal” movement, or motor, symptoms are slowness of movement (bradykinesia), stiffness (rigidity) and resting tremor. Not everyone has all three symptoms and not everyone with Parkinson's has tremor.
Many people respond well to treatment and only experience mild to moderate disability, whereas the minority may not respond as well and can, in time, become more severely disabled.
Parkinson's disease likely stems from a complex mix of factors, with the two most prominent contributing causes being genetic predispositions (inherited gene mutations) and environmental triggers (like pesticides, toxins, and pollution), which often interact with age (the biggest risk factor) to damage dopamine-producing brain cells, leading to the disease.
While people are diagnosed with Parkinson's at an average age of 60, anything younger than 50 is considered young-onset Parkinson's, or YOPD.
MRI or CT scans
An MRI or CT scan looks at the structure of your brain. These scans can't diagnose Parkinson's, but they can be helpful in diagnosing other types of parkinsonism.
Solvents: Trichloroethylene, a solvent, has been used in many industrial settings, such as metal degreasing and dry cleaning, and in paint thinners and detergents. Some studies have shown a link between long-term exposure to solvents and development of Parkinson's.
Treatment for young onset Parkinson's
Although there is no cure for the disease at this time, by identifying symptoms and determining a proper, proactive course of treatment and lifestyle changes, most people with the disease are able to remain active and lead fulfilling lives.
Actor Michael J. Fox had holes drilled into his brain as part of his treatment for Parkinson's Disease, according to one of his doctors. Allan Ropper, professor of neurology at Brigham and Women's Hospital, is quoted.