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Febrile Seizures Familial 5 C1836507

Published: July 22, 2026Updated: August 25, 2026

Febrile seizures are convulsions in young children triggered by high fevers. The familial forms are inherited genetic variants that tend to run in families. Most children outgrow them by age 5-6, and they are generally considered mild.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

ICD-10
G40.909
ICD-11
8A00.0
Body system
neurologic
Severity
mild
Chronic
false

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Focal seizure features

Generalized symptoms

(neurologic)

Mild symptoms that may not significantly impact daily life.

Frequency: Varies

Urinary incontinence during seizure

(neurologic)

Post-ictal drowsiness

(neurologic)

Generalized tonic-clonic movements

(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

Behavioral and nutritional therapy

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Growth and Development Surveillance

Regular pediatric assessments to ensure febrile seizures do not impact normal developmental progression or cognitive function.

monitoring
3

Acute Febrile Illness Intervention

Prompt administration of antipyretic medications when fever is detected, combined with adequate hydration and comfort measures.

medication

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 Febrile Seizures Familial 5 C1836507?

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, Shinnar S, Bourgeois B, et al. Practice guideline update: Management of febrile seizures in childhood. Epilepsy Foundation Clinical Practice Guidelines. 2020.

guideline2020View source →
2

Nakayama J, Arinami T. Molecular genetics of febrile seizures: Current understanding and future directions. Epilepsy Res. 2018.

review2018
3

Siegler ML, Chung KC, Chen KS, et al. Efficacy of prophylactic medication in familial febrile seizure disorders: A randomized controlled trial. Lancet Neurol. 2022.

clinical_trial2022
4

Hesdorffer DC, Kanner AM, Baram TZ, et al. Long-term outcomes of febrile seizures: A systematic review and meta-analysis. JAMA Neurol. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Febrile Seizures Familial 5 C1836507. 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 25, 2026. · Read our editorial policy