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Living with Juvenile paralysis agitans of Hunt

A condition with Parkinson-like symptoms that starts in the teens or earlier and progresses very slowly.

Understanding Juvenile paralysis agitans of Hunt

Juvenile paralysis agitans of Hunt is a condition with typical parkinsonism that begins in the teen years or earlier.

Symptoms include tremor, a mask-like face, slow movement, trouble speaking clearly, and stiffness. Progression is very slow. In childhood, walking changes (walking on the ball of the foot) and hand tremor may appear. Some people may later have finger dystonia and a fixed facial expression.

Signs & symptoms

Symptoms vary from person to person. GARD's summary describes these features:

  • Tremor
  • Mask-like face
  • Slow movement (bradykinesia)
  • Trouble speaking clearly (dysarthria)
  • Stiffness (rigidity)
  • Walking on the ball of the foot

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

    Parkinson & Movement Disorder Alliance 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: 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 Michael J. Fox Foundation for Parkinson's Research 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 tests confirm this condition and rule out others?
Which treatments can help with tremor and stiffness?
Which specialists, such as a movement disorder neurologist, should we see?

Quick facts

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

Also known as: neostriatal syndrome; paleostriatal syndrome; pallidal atrophy; pallidal syndrome; paralysis agitans, juvenile, of hunt; parkinson disease, juvenile, of hunt

Patient organizations

Source: NIH GARD · Juvenile paralysis agitans of HuntGARD ID 10359 · 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 Juvenile paralysis agitans of Hunt.

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Explore actively recruiting Juvenile paralysis agitans of Hunt studies with HealthSpark.

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  • Recruiting studies from ClinicalTrials.gov
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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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