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Living with Benign familial infantile epilepsy

An inherited seizure condition in otherwise healthy infants between three and eight months old.

Understanding Benign familial infantile epilepsy

Benign familial infantile epilepsy is a seizure disorder passed down in families that affects healthy infants.

Infants between three and eight months old have repeated seizures without fever. Seizure types and some movement problems are listed by GARD. Signs start in newborns and infants.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Seizures without fever
  • Seizures affecting one half of the brain
  • Pauses in breathing (apnea)
  • Involuntary movements
  • Writhing movements (athetosis, chorea)
  • Muscle stiffness or twisting (dystonia)

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 brain and nervous system specialists, genetic specialists and 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

    Epilepsy Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists); Seizure and epilepsy specialists (epileptologist)
Expert care
Expert lists: 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 Epilepsy Foundation
  • 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
Can genetic testing confirm the type of epilepsy my baby has?
What should we do during a seizure?
Should I tell relatives to talk to their doctors about their own risk?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Dominant

Changes in genes cause this condition. It is autosomal dominant, so one changed copy of the gene is enough.

GeneticNeurological

Also known as: benign familial infantile convulsion; benign familial infantile convulsions; benign familial infantile seizures; bfic; bfie; bfis

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Benign familial infantile epilepsyGARD ID 857 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Benign familial infantile epilepsy.

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