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Developmental And Epileptic Encephalopathy 67 C4748341

Published: July 22, 2026Updated: August 26, 2026

A rare genetic disorder causing frequent seizures and significant developmental challenges from infancy. Management includes anti-seizure medications and supportive therapies.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 26, 2026Editorial policy

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.

Warning signs - seek immediate care

!

Early-onset infantile spasms

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Focal neurological deficits

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Severe motor impairment

(neurologic)

Progressive choreoathetosis

(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

Personalized anti-seizure medication selection

Carefully selected ASMs based on individual factors including seizure type, comorbidities, and genetic variants when identified. Regular review and optimization is essential.

medication
2

Targeted drug therapy with dose adjustment

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

medication
3

Classic ketogenic diet

Strict ketogenic diet with precise macronutrient ratios (typically 3:1 or 4:1 fat to protein+carbohydrate) administered under close metabolic supervision.

dietary

Additional treatment options

Applied behavior analysis (ABA) therapy

Structured behavioral intervention addressing communication, social skills, and maladaptive behaviors commonly seen in developmental encephalopathies.

psychological

Corpus callosotomy

Surgical procedure dividing the corpus callosum to reduce seizure spread and severity, particularly beneficial for atonic (drop) seizures.

surgical

Sleep hygiene and seizure safety measures

Comprehensive lifestyle modifications including consistent sleep schedule, environmental modifications to prevent injuries during seizures, and stress reduction techniques.

lifestyle

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 Developmental And Epileptic Encephalopathy 67 C4748341?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Medication Comparisons

Compare medications used to treat Developmental And Epileptic Encephalopathy 67 C4748341. 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 26, 2026. · Read our editorial policy