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Living with Encephalopathy, recurrent, of childhood

A rare genetic condition with repeated episodes of brain illness in childhood, usually after a fever.

Understanding Encephalopathy, recurrent, of childhood

Recurrent encephalopathy of childhood is a rare genetic nervous system disorder with repeated sudden episodes of brain dysfunction.

Episodes begin in infancy or childhood, usually after an illness with fever. During an episode, a person may suddenly have poor balance, sleepiness, trouble speaking, odd movements, or seizures. Episodes last from a day to weeks. Some people are left with problems such as speech trouble or poor coordination.

Signs & symptoms

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

  • Poor balance and coordination (ataxia)
  • Muscle stiffness or spasms (spasticity)
  • Rigidity
  • Reflexes that are weak or missing
  • Unusually flexible joints
  • Movement problems

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 and genetic 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

    National Ataxia Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists)
Expert care
Expert lists: National Ataxia 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 National Ataxia 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
What should we do when an episode starts?
Which specialists should be part of care?
Can genetic testing help, and could other family members be affected?

Quick facts

Symptoms usually startInfant and as a Child
InheritanceAutosomal Dominant

This condition is autosomal dominant, which means a change in one copy of the gene can cause it. GARD does not name the gene.

GeneticNeurological

Also known as: encephalopathy recurrent of childhood; neuhauser eichner opitz syndrome; neuhauser-eichner-opitz syndrome; recurrent encephalopathy of childhood; recurrent encephalophathy of childhood

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Encephalopathy, recurrent, of childhoodGARD ID 3949 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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