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Living with Atypical juvenile parkinsonism

A complex form of young-onset Parkinson disease with extra symptoms like eye movement problems, mood changes, and learning differences.

Understanding Atypical juvenile parkinsonism

Atypical juvenile parkinsonism is a complex form of young-onset Parkinson disease that includes other nervous system problems along with classic parkinsonian symptoms.

Along with parkinsonian symptoms, it can involve eye movement problems, depression, anxiety, impulse control problems, intellectual disability, ataxia, and epilepsy. It usually starts in the teen years or adulthood.

Signs & symptoms

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

  • Resting tremor
  • Muscle stiffness (rigidity)
  • Slowness of movement (akinesia)
  • Poor balance (postural instability)
  • Involuntary movements and dystonia
  • Intellectual disability

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

    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: 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 Parkinson & Movement Disorder Alliance
  • 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
Which Parkinson medicines are right for me, and what are the side effects?
Who can help with mood, anxiety, and impulse control?
Would genetic testing help my family?

Quick facts

Symptoms usually startTeenager and as an Adult
InheritanceAutosomal Recessive

GARD says changes in genes (also called variants) cause this condition. It is autosomal recessive, meaning a child inherits a changed copy of the gene from each parent.

GeneticNeurological

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Atypical juvenile parkinsonismGARD ID 17621 · 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 Atypical juvenile parkinsonism.

Explore the Atypical juvenile parkinsonism blog

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Explore actively recruiting Atypical juvenile parkinsonism studies with HealthSpark.

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  • Recruiting studies from ClinicalTrials.gov
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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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