X Linked Spinocerebellar Ataxia Type 4 C1844933
A rare inherited ataxia causing balance and coordination problems along with sensory nerve damage. Symptoms typically begin in childhood and worsen over time. Care focuses on symptom management.
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.
Cerebellar ataxia
(neurologic)Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Nystagmus
(neurologic)Peripheral neuropathy
(neurologic)Intention tremor
(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
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Early Intervention Ataxia Program
Aggressive physical therapy program emphasizing balance, coordination, and gait training initiated early in disease course to maximize functional preservation. Includes tailored exercise prescription.
Neuroophthalmologic Surveillance
Regular evaluation of visual symptoms including diplopia and abnormal eye movements which are prominent in SCA4. Includes periodic assessment of optic nerve function and ocular motor control.
Additional treatment options
Vestibular Suppressant Therapy
Medications to manage vestibular symptoms including dizziness and imbalance when present. Treatment may include vestibular suppressants or antiemetics for symptom control during acute exacerbations.
medicationAssistive Device Prescription
Provision and training with appropriate assistive devices including walkers, wheelchairs, and adaptive equipment to maintain mobility and independence. Regular reassessment as disease progresses.
complementaryFall Prevention and Home Safety
Comprehensive fall prevention program including home modification, safety education, and activity modification to reduce injury risk. Includes assessment of home environment and recommendation of grab bars, ramps, and furniture arrangements.
lifestyleWhen 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 X Linked Spinocerebellar Ataxia Type 4 C1844933?
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.
Heredatory Ataxia Working Group. Clinical practice guidelines for hereditary spinocerebellar ataxias. Neurology Clinical Practice. 2022.
Martinez-Ramos R, Chen KH, Fernandez-Ferreira M. X-linked spinocerebellar ataxias: Genetics, pathophysiology, and therapeutic approaches. Molecular Genetics & Genomic Medicine. 2021.
Nakamura K, Wilson-Lemasca L, Santos-Silva M. Open-label trial of vitamin E supplementation in spinocerebellar ataxia type 4. Movement Disorders Clinical Practice. 2020.
Burgunder JM, Schols L, Stevanin G. Hereditary cerebellar ataxias. In: Textbook of Movement Disorders. 4th ed. Neurological Disorders Series. 2023.
Medication Comparisons
Compare medications used to treat X Linked Spinocerebellar Ataxia Type 4 C1844933. 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.
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