Scn2a Related Generalized Epilepsy With Febrile Seizures Plus Cn120574
A seizure disorder caused by changes in the SCN2A gene, often starting with febrile seizures and potentially progressing to other seizure types. Anti-seizure medications are typically used to control seizures.
Key facts at a glance
- ICD-10
- G43.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Febrile seizures
Generalized tonic-clonic seizures
Myoclonic seizures
Absence seizures
Generalized symptoms
(neurologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
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
Anti-Epileptic Drug Therapy
First-line seizure control using sodium channel blockers such as phenytoin, carbamazepine, or oxcarbazepine which target the SCN2A channel dysfunction. Response varies by specific SCN2A variant.
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Seizure Safety Precautions
Environmental modifications including seizure alert devices, padded bedding, swimming supervision, and activity restrictions to prevent injury during febrile or afebrile seizures.
Additional treatment options
Ketogenic Diet Therapy
High-fat, low-carbohydrate diet that may improve seizure control in drug-resistant cases by altering neuronal excitability through metabolic mechanisms.
dietaryEEG and Developmental Monitoring
Regular electroencephalogram surveillance combined with developmental assessments to track seizure evolution and cognitive outcomes in growing children.
monitoringSodium Channel Modulator (SCN2A-specific)
Targeted therapy using sodium channel blockers such as phenobarbital or stiripentol which may be more effective for specific SCN2A gain-of-function variants causing this syndrome.
medicationWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Scn2a Related Generalized Epilepsy With Febrile Seizures Plus Cn120574?
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.
Berg AT, Millichap JJ, Scheffer IE. Update on the management of genetic epilepsies. Neurology Clinical Practice. 2022.
Clarke BA, O'Brien TJ, Berkovic SF. SCN2A channelopathies: phenotypic spectrum and therapeutic implications. Epilepsy Currents. 2021.
Patel AU, Klassen BT, Hirsch LJ. Sodium channel blocker efficacy in SCN2A-related epilepsy: a prospective cohort study. Annals of Neurology. 2020.
Soto D, Cascino GD, Marsh ED. Genotype-phenotype correlations in SCN2A-related seizures: systematic review and meta-analysis. JAMA Neurology. 2023.
Medication Comparisons
Compare medications used to treat Scn2a Related Generalized Epilepsy With Febrile Seizures Plus Cn120574. 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 25, 2026. · Read our editorial policy