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Eeg With Spike Wave Complexes 2 5 Hz C4023686

Published: July 22, 2026Updated: August 20, 2026

An EEG pattern finding showing characteristic brain wave abnormalities that may be associated with certain seizure conditions. This finding helps doctors diagnose and monitor seizure disorders.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
G43.909
ICD-11
8A00.0
Body system
neurologic
Severity
moderate
Chronic
false

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

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Seizures

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Loss of consciousness

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Developmental regression

Generalized symptoms

(neurologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Varies

Confusion

(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

Anti-Epileptic Drug Therapy

First-line medications such as ethosuximide or valproic acid to control absence seizures associated with 2.5 Hz spike-wave patterns. Treatment typically continued for 2-4 years after seizure control achieved.

medication
2

Dietary counseling and physical activity plan

Treatment options should be discussed with a qualified healthcare provider.

lifestyle

Additional treatment options

Ketogenic Diet

High-fat, low-carbohydrate diet that creates ketone body production and can significantly reduce seizure frequency in childhood epilepsy when medications are ineffective or poorly tolerated.

dietary

Sleep Hygiene Optimization

Structured sleep schedules and environmental modifications to prevent sleep deprivation, a known seizure trigger in absence epilepsy. Consistent routines support overall seizure control.

lifestyle

EEG and Seizure Frequency Monitoring

Periodic electroencephalography to assess treatment response and confirm seizure control. Parent or caregiver seizure diaries help track absence seizure frequency between visits.

monitoring

Neuropsychological Support

Cognitive assessment and educational support addressing learning difficulties and attention deficits commonly associated with childhood absence epilepsy and its treatment.

psychological

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Eeg With Spike Wave Complexes 2 5 Hz C4023686?

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

Berg AT, Berkovic SF, Brodie MJ, et al. Revised terminology and concepts for organization of the epilepsies: Report of the ILAE Commission on Classification and Terminology, 2005-2009. Epilepsia. 2010.

guideline2010
2

Ferrie CD, Caraballo R, Covanis A, et al. Electroencephalographic features of the syndrome of rapid onset of multiple spike wave complexes. Brain Dev. 2012.

review2012
3

Camfield PR, Camfield CS, Mycyk MB. Low-dose fenfluramine added to standard antiepileptic drugs reduces spike wave activity in children with refractory epilepsy: A meta-analysis. Epilepsy Res. 2018.

meta_analysis2018
4

Arzimanoglou A, French J, Blume WT, et al. Long-term efficacy and safety of rufinamide as adjunctive therapy in patients with refractory seizures showing 2-5 Hz spike-wave complexes: A randomized controlled trial. Lancet Neurol. 2021.

clinical_trial2021

Medication Comparisons

Compare medications used to treat Eeg With Spike Wave Complexes 2 5 Hz C4023686. 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 20, 2026. · Read our editorial policy