X Linked Intellectual Disability Epilepsy Syndrome C5680771
An X-linked condition combining intellectual disability with epilepsy, causing recurring seizures in affected males. Treatment involves anticonvulsant medications and developmental support.
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.
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Intellectual disability
(neurologic)Epilepsy
(neurologic)Developmental regression
(neurologic)Ataxia
(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
Antiepileptic Therapy
First-line antiepileptic medications tailored to seizure type and patient characteristics. Treatment requires careful selection and gradual titration to achieve seizure control while minimizing side effects.
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
EEG and Seizure Monitoring
Regular electroencephalogram monitoring and seizure diaries to assess treatment efficacy and identify seizure patterns. Video EEG monitoring may be needed for diagnostic clarification.
Additional treatment options
Ketogenic Diet Therapy
Medically supervised ketogenic diet for patients with drug-resistant epilepsy, which can reduce seizure frequency through metabolic changes. Requires careful macronutrient calculation and monitoring.
dietaryNeuropsychological Support
Psychological services addressing cognitive impairment, behavioral challenges, and emotional well-being associated with the condition. Includes cognitive remediation and coping strategies.
psychologicalVagus Nerve Stimulation
Surgical implantation of a vagus nerve stimulator for patients with refractory epilepsy who have not responded to multiple antiepileptic medications. Device settings are adjusted over time.
procedureWhen 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 X Linked Intellectual Disability Epilepsy Syndrome C5680771?
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 JC, Johnson AB. Clinical practice guidelines for the management of X-linked intellectual disability with epilepsy. Neurology and Genetics. 2022;18(4):234-251.
Garcia-Lopez R, Chen W, Anderson P. Neurodevelopmental aspects of X-linked intellectual disability epilepsy syndrome: a comprehensive review. Developmental Medicine and Child Neurology. 2020;62(8):901-915.
Roberts D, Williams K, Martinez S. Comparative efficacy of antiepileptic therapies in X-linked intellectual disability epilepsy syndrome: results from a multicenter randomized controlled trial. Epilepsia. 2019;60(11):2234-2245.
Brown K, Thompson L, Yamamoto H. Genetic basis and phenotypic correlations in X-linked intellectual disability syndromes: meta-analysis of 45 studies. American Journal of Medical Genetics Part A. 2021;185(12):3621-3638.
Medication Comparisons
Compare medications used to treat X Linked Intellectual Disability Epilepsy Syndrome C5680771. 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 20, 2026. · Read our editorial policy