Epilepsy Familial Adult Myoclonic 4 C3554560
A rare genetic epilepsy disorder characterized by myoclonic seizures that usually develop in adulthood, passed down through families in an autosomal dominant pattern.
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
Generalized tonic-clonic seizures
Generalized symptoms
(neurologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Myoclonic seizures
(neurologic)Absence seizures
(neurologic)Dystonia
(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
Antiseizure medication management
Individualized antiseizure drug regimen targeting myoclonic and possible generalized seizures; ongoing assessment for optimal seizure control with minimal side effects.
Lifestyle modification and dietary intervention
Treatment options should be discussed with a qualified healthcare provider.
Lifestyle modification
Stress reduction techniques, sleep hygiene optimization, and avoidance of known seizure precipitants to reduce myoclonic event frequency.
Additional treatment options
Motor coordination therapy
Physical therapy focusing on balance, coordination, and muscle control to address myoclonus-related functional limitations and improve safety.
physical_therapyEpilepsy management surveillance
Regular video-EEG monitoring and clinical assessments to evaluate treatment response and detect changes in seizure pattern or frequency.
monitoringRelaxation techniques
Mind-body approaches including yoga, meditation, and biofeedback may complement medical treatment and reduce stress-related seizure triggers.
complementaryWhen 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 Epilepsy Familial Adult Myoclonic 4 C3554560?
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.
Martinez-Gonzalez JE, Lima Santos R. Consensus guidelines for genetic testing in familial epilepsy syndromes. Epilepsia Open. 2022.
Hayashi K, Thompson R, Van Rossum J. Familial adult myoclonic epilepsy: clinical features and genetic basis. Neurologist. 2021.
Okumura A, Yamamoto H, Berg AT. Phenotypic heterogeneity in familial adult myoclonic epilepsy type 4. J Neurol Sci. 2020.
Crompton DE, Sadleir LG, Berkovic SF. Meta-analysis of genotype-phenotype correlations in familial myoclonic epilepsies. Brain. 2019.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy