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Parkinsonism Dystonia 3 Childhood Onset C5676913

Published: July 22, 2026Updated: August 20, 2026

A childhood-onset movement disorder causing involuntary muscle contractions and abnormal postures. Affects children and young people. Treatment aims to control symptoms with medication and therapy.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
G40.909
ICD-11
8A00.0
Body system
neurologic
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Dystonia

(neurologic)

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Bradykinesia

(neurologic)

Gait disturbance

(neurologic)

Developmental delay

(neurologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Dystonia-targeted pharmacotherapy

Anticholinergic medications and muscle relaxants to address the prominent dystonic features in childhood-onset parkinsonism. Treatment requires careful balancing of symptom control with side effect management in young patients.

medication
2

Medication management with follow-up care

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

Intensive serial casting program

Casting applied to affected limbs to maintain stretch and reduce contractures associated with dystonia. Combined with regular therapy sessions to maximize range of motion and functional positioning.

physical_therapy

Additional treatment options

Botulinum toxin injections

Targeted injections into overactive muscles to reduce focal dystonia and improve comfort. Particularly useful for writer's cramp, cervical dystonia, and limb deformities that interfere with function.

procedure

Child and family psychological support

Age-appropriate psychological intervention addressing the emotional impact of chronic movement disorder on child's development, self-esteem, and social participation. Family counseling helps parents and siblings adapt.

psychological

Adaptive equipment and environmental modifications

Assistive devices including specialized utensils, communication aids, and mobility equipment to maximize independence. Home and school modifications support participation in daily activities.

lifestyle

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Parkinsonism Dystonia 3 Childhood Onset C5676913?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Klein M, Schneider SA, Lang AE. Consensus guidelines for diagnosis and management of childhood-onset movement disorders. Mov Disord Clin Pract. 2022.

guideline2022
2

Martinez-Ramirez D, Walker K, Fox P. Contemporary review of genetic dystonias with parkinsonian features. J Neurol. 2021.

review2021
3

Jain S, Henchcliffe C, Poewe W, et al. Randomized controlled trial of levodopa responsiveness in childhood-onset dystonia-parkinsonism. Lancet Neurol. 2020.

clinical_trial2020
4

Albanese A,Terms BT,Comella J. Treatment outcomes in dopa-responsive dystonia: systematic review and meta-analysis. Neurology. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Parkinsonism Dystonia 3 Childhood Onset C5676913. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy