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Living with Parkinson disease 3, autosomal dominant

A form of Parkinson disease, a long-term nervous system condition that affects movement, balance, and sometimes thinking.

Understanding Parkinson disease 3, autosomal dominant

Parkinson disease is a progressive nervous system disorder that affects balance and movement.

It affects several brain regions, especially an area called the substantia nigra. Often the first symptom is a tremor, usually starting on one side of the body. Symptoms slowly worsen over time. It can also affect mood and thinking, and raise the chance of dementia. Onset after age 50 is called late-onset, and before age 50 is early-onset.

Signs & symptoms

Symptoms vary from person to person. GARD describes these:

  • Trembling at rest (tremor)
  • Stiff arms, legs, and torso
  • Slowed movement (bradykinesia)
  • Poor balance and coordination
  • Depression or hallucinations in some people
  • Changes in memory and thinking

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

  4. Connect with expert centers

    Dysautonomia International, Parkinson & Movement Disorder Alliance and Parkinson's Foundation may keep lists of experts for this condition.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
Expert care
Expert lists: Dysautonomia International, Parkinson & Movement Disorder Alliance, Parkinson's Foundation
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with Dysautonomia International and other patient organizations
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
What treatments can help control tremor and stiffness?
How might this condition change over time?
Would genetic testing be useful for me or my family?

Quick facts

GARD doesn't describe a cause for this condition yet.

Also known as: park3; parkinson disease 3; parkinson disease 3, autosomal dominant lewy body

Patient organizations

Source: NIH GARD · Parkinson disease 3, autosomal dominantGARD ID 8578 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Parkinson disease 3, autosomal dominant.

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Explore actively recruiting Parkinson disease 3, autosomal dominant studies with HealthSpark.

HealthSpark

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  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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