Developmental And Epileptic Encephalopathy 97 C5561999
A severe genetic disorder affecting brain development and function, causing early-onset seizures and developmental delays. It typically appears in infancy and primarily affects children. Treatment focuses on seizure control and supportive developmental therapies.
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
Respiratory abnormalities
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Severe intellectual disability
(neurologic)Epileptic spasms
(neurologic)Hypotonia
(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
Targeted anti-seizure therapy
Precision medicine approach using anti-epileptic medications selected based on individual patient characteristics and seizure semiology.
Targeted drug therapy with dose adjustment
Active treatment with regular monitoring by a healthcare provider is recommended.
Classic ketogenic diet
Strict ketogenic dietary protocol requiring 3:1 or 4:1 ratio of fats to proteins and carbohydrates, administered under close metabolic supervision.
Additional treatment options
Intensive motor rehabilitation
Goal-oriented physical therapy focusing on functional mobility, balance, and prevention of secondary musculoskeletal complications.
physical_therapyCognitive and behavioral intervention
Structured psychological support addressing cognitive delays, behavioral issues, and emotional well-being for patients and families.
psychologicalCannabidiol supplementation
Pharmaceutical-grade CBD may be considered as adjunctive therapy for seizure management in some patients, under medical supervision.
complementaryWhen 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 Developmental And Epileptic Encephalopathy 97 C5561999?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy