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Living with Benign familial neonatal-infantile seizures 1

An inherited seizure condition in young children, usually starting between 3 and 24 months of age.

Understanding Benign familial neonatal-infantile seizures 1

Benign familial neonatal-infantile seizures 1 is a genetic seizure disorder that affects young children.

Seizures usually begin between 3 and 24 months of age and can come in clusters over a day or several days. The head and eyes slowly move to one side, the body stops moving and breathing, and the body may turn blue and jerk. After the seizure, the baby is normal again. Mental and physical development are normal.

Signs & symptoms

GARD describes seizures with these features:

  • Head and eyes slowly turning to one side
  • Body stopping movement and breathing
  • Body turning blue
  • Jerking movements
  • Seizures in clusters over a day or days

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include seizure and epilepsy specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

  4. Connect with expert centers

    FamilieSCN2A and Epilepsy Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Seizure and epilepsy specialists (epileptologist)
Expert care
Expert lists: FamilieSCN2A, Epilepsy Foundation
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with FamilieSCN2A and other patient organizations
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Which type of this condition does my child have, and is genetic testing available?
What should we do if a cluster of seizures happens?
How will my child's development be monitored?

Quick facts

InheritanceAutosomal Dominant

This is a genetic disorder with several types caused by changes in different genes. Type 1 is linked to a gene on chromosome 19q. It is autosomal dominant, so one changed copy is enough.

Also known as: seizures, benign familial infantile, 1

Patient organizations

Source: NIH GARD · Benign familial neonatal-infantile seizures 1GARD ID 856 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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