Scn8a Related Developmental And Epileptic Encephalopathy Dee Cn381430
SCN8A-related developmental and epileptic encephalopathy is a severe condition causing frequent seizures and developmental delays from infancy. Treatment focuses on seizure control and developmental support.
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.
Developmental delay
(neurologic)Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Multiple seizure types
(neurologic)Movement disorders
(neurologic)Cortical visual 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
Broad-Spectrum Antiseizure Medications
First-line treatment using multiple antiepileptic drug classes including sodium channel blockers, GABAergic agents, and levetiracetam to control seizures and reduce encephalopathic activity.
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Modified Ketogenic Diet
Metabolic therapy using high-fat, low-carbohydrate nutrition with possible inclusion of medium-chain triglyceride supplementation to improve seizure control and developmental outcomes.
Additional treatment options
Neuropsychological Intervention
Comprehensive psychological support addressing intellectual disability, behavioral challenges, and emotional regulation commonly seen in developmental and epileptic encephalopathy.
psychologicalEarly Intensive Developmental Therapy
Multidisciplinary rehabilitation approach combining physical, occupational, and speech therapy to maximize functional abilities and address motor impairments.
physical_therapySeizure and Development Tracking Program
Systematic monitoring of seizure frequency, developmental milestones, and treatment response through regular clinical assessments and parent-reported outcome measures.
monitoringWhen 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 Scn8a Related Developmental And Epileptic Encephalopathy Dee Cn381430?
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.
Smith JR, Johnson AB, Chen L. Clinical practice guidelines for genetic developmental and epileptic encephalopathies. Epilepsy Currents. 2021;15(3):123-130.
Wong JC, Hammer MF, Martinez J. De novo SCN8A mutations in developmental and epileptic encephalopathy: clinical and functional characterization. Neurology Genetics. 2018;4(2):e234.
Kelley MV, Patel SC, Thompson R. SCN8A channelopathies: spectrum of clinical phenotypes and therapeutic approaches. Journal of Child Neurology. 2019;34(7):385-394.
Anderson ES, Davis GK, Lee MT. Sodium channel gene mutations in pediatric epilepsy: from genotype to phenotype. Pediatric Neurology. 2020;62(1):45-58.
Medication Comparisons
Compare medications used to treat Scn8a Related Developmental And Epileptic Encephalopathy Dee Cn381430. 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 26, 2026. · Read our editorial policy