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Living with Parkinson disease, late-onset

An inherited form of Parkinson disease that starts after age 50, with tremor at rest, slow movement, and stiffness.

Understanding Parkinson disease, late-onset

Parkinson disease, late-onset is a hereditary form of Parkinson disease that starts after age 50.

People have tremor at rest, slowness of movement (bradykinesia), stiffness, trouble walking, falls, and painful cramps. GARD says people usually have a low risk of movement problems such as dystonia and medicine-related dyskinesia, and of non-movement symptoms.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Tremor at rest
  • Slowness or loss of movement (akinesia)
  • Frequent falls
  • Reduced sense of smell
  • Long-lasting constipation
  • Trouble swallowing

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

    Specialists who may be involved include brain and nervous system specialists and genetic specialists.

  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 and Parkinson & Movement Disorder Alliance may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists)
Expert care
Expert lists: Dysautonomia International, Parkinson & Movement Disorder Alliance
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
How can I lower my risk of falls?
Which medicines help symptoms, and what side effects should I watch for?
Would genetic testing help my relatives?

Quick facts

Symptoms usually startAdult and as an Older Adult
InheritanceAutosomal Dominant

Changes in the genes (also called variants) cause this condition. It is autosomal dominant, which means one changed copy of the gene is enough to cause it. GARD doesn't list a specific gene.

GeneticNeurological

Also known as: autosomal dominant late-onset parkinson disease; hereditary late onset parkinson disease; hereditary late-onset parkinson disease; late onset parkinson disease; late onset parkinson's disease; late-onset parkinson disease

Patient organizations

Source: NIH GARD · Parkinson disease, late-onsetGARD ID 17684 · 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, late-onset.

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  • Recruiting studies from ClinicalTrials.gov
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  • Eligibility is confirmed by the study team

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