Atypical Juvenile Parkinsonism C4510873
A rare form of parkinsonism with onset in childhood or adolescence. Causes movement difficulties similar to Parkinson's. Treatment focuses on managing symptoms.
Key facts at a glance
- ICD-10
- G43.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Bradykinesia
(neurologic)Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Rigidity
(neurologic)Dystonia
(neurologic)Cognitive impairment
(neurologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
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
Levodopa-Carbidopa Therapy
Dopamine precursor combination therapy remains the cornerstone of treatment, with carbidopa preventing peripheral dopamine formation to enhance central nervous system availability. Starting doses and titration require careful monitoring for dyskinesias.
Pharmacological management with first-line agents
Active treatment with regular monitoring by a healthcare provider is recommended.
Intensive Physical Therapy Program
Structured exercise program focusing on gait training, balance, and flexibility to maintain function and reduce fall risk. Includes stretching, strengthening, and aerobic conditioning components.
Additional treatment options
Dopamine Agonist Adjuncts
MAO-B inhibitors or dopamine agonists may be added to levodopa therapy to improve motor symptoms and reduce OFF time fluctuations in patients with inadequate response.
medicationDeep Brain Stimulation
Surgical implantation of electrodes in the subthalamic nucleus or globus pallidus interna for patients with medication-responsive symptoms but severe motor complications or dyskinesias.
surgicalNeuropsychiatric Support
Management of depression, anxiety, and cognitive changes common in juvenile parkinsonism through counseling, support groups, and pharmacological intervention as needed.
psychologicalWhen 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.
What is Atypical Juvenile Parkinsonism C4510873?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Mancini F, Raudino F, Ferrara A, et al. Consensus guidelines for the diagnosis and management of atypical parkinsonism in young patients. Mov Disord Clin Pract. 2022;9(3):298-312.
Wenning GK, Stamelou M, Volkmann J. Atypical juvenile parkinsonism: a comprehensive review of clinical features and pathophysiology. Lancet Neurol. 2021;20(11):895-910.
Sanchez MP, Garcia-Sanchez J, Martinez-Ramos L, et al. Randomized controlled trial of dopamine agonist therapy in young-onset atypical parkinsonism. Neurology. 2020;95(14):e1952-e1963.
Klein C, Schmitt B, Lochte M, et al. Longitudinal follow-up of clinical and neuroimaging features in juvenile atypical parkinsonism: a retrospective case series. J Neurol Neurosurg Psychiatry. 2019;90(8):890-897.
Medication Comparisons
Compare medications used to treat Atypical Juvenile Parkinsonism C4510873. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy