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Living with Infantile-onset generalized dyskinesia with orofacial involvement

A rare movement disorder starting in infancy with uncontrolled movements of the limbs, trunk, and face.

Understanding Infantile-onset generalized dyskinesia with orofacial involvement

Infantile-onset generalized dyskinesia with orofacial involvement is a rare movement disorder with uncontrolled movements starting in infancy.

Babies have delayed motor development and low muscle tone in the trunk. Movements mainly affect the limbs and trunk and may include the tongue and mouth. Brain imaging is normal and thinking skills are typically preserved.

Signs & symptoms

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

  • Chorea (writhing, jerky movements)
  • Unclear speech (dysarthria)
  • Drooling
  • Feeding difficulties
  • Frequent falls
  • Delayed motor skills

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. Consider genetic testing

    Changes in PDE10A are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

  4. Connect with expert centers

    Dystonia Medical Research Foundation 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: Dystonia Medical Research 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 Dystonia Medical Research Foundation
  • 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
Can genetic testing for the PDE10A gene confirm the diagnosis?
What therapy can help with feeding and speech?
How can we prevent falls?

Quick facts

Symptoms usually startInfant
InheritanceAutosomal Recessive
GenesPDE10A

Changes in the PDE10A gene cause this condition. It is inherited in an autosomal recessive pattern, meaning a child inherits a changed copy of the gene from each parent.

GeneticNeurological

Also known as: dyskinesia, limb and orofacial, infantile-onset; infantile-onset orofacial-trunk-limbs dyskinesia; infantile-onset orofacial, trunk, limbs dyskinesia; iolod

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Infantile-onset generalized dyskinesia with orofacial involvementGARD ID 17905 · 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 Infantile-onset generalized dyskinesia with orofacial involvement.

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Explore actively recruiting Infantile-onset generalized dyskinesia with orofacial involvement studies with HealthSpark.

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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