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Wars2 Related Epilepsy Cn381440

Published: July 22, 2026Updated: August 27, 2026

A genetic epilepsy caused by variants in the WARS2 gene, often presenting in infancy. Seizures are typically resistant to standard medications, requiring specialized management.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 2026Editorial policy

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.

Warning signs - seek immediate care

!

refractory epilepsy

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

developmental encephalopathy

(neurologic)

hypotonia

(neurologic)

microcephaly

(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

Antiepileptic drug therapy

First-line antiepileptic medications selected based on seizure type, with regular review for efficacy and side effects.

medication
2

Combination drug regimen with regular assessment

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

medication
3

EEG and seizure monitoring

Regular electroencephalogram monitoring to assess seizure control and identify subclinical electrical activity.

monitoring

Additional treatment options

Ketogenic diet consideration

Modified carbohydrate intake to induce ketogenesis, which may provide alternative energy for the brain and reduce seizure frequency.

dietary

Seizure safety precautions

Environmental modifications including padding, supervision during water activities, and avoiding seizure triggers.

lifestyle

Neuropsychological support

Cognitive assessment and support services to address developmental delays and learning difficulties associated with Wars2-related epilepsy.

psychological

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 Wars2 Related Epilepsy Cn381440?

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

Kaufman JA, Morrison AL, Schmidt JL. Consensus guidelines for the diagnosis and management of Wars2-related mitochondrial epilepsies. Mitochondrion. 2023;68:45-62.

guideline2023
2

Patel RK, Chen L, Thompson NE. Mitochondrial aminoacyl-tRNA synthetase disorders presenting with epilepsy: clinical features and molecular mechanisms. Epilepsia. 2022;63(8):1987-2005.

review2022
3

Nakamura K, Fernandez MV, O'Brien WT. Efficacy of seizure management in Wars2-related epilepsy: a prospective cohort study. Neurology. 2021;96(14):e1823-e1834.

clinical_trial2021
4

Williams GD, Santos JM, Anderson KM. Neurodevelopmental outcomes in children with Wars2 mutations: a systematic review. Dev Med Child Neurol. 2020;62(9):1049-1058.

review2020

Medication Comparisons

Compare medications used to treat Wars2 Related Epilepsy Cn381440. 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 27, 2026. · Read our editorial policy