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Living with Infantile neuroaxonal dystrophy

An inherited nervous system disorder in which babies lose skills after a period of normal development.

Understanding Infantile neuroaxonal dystrophy

Infantile neuroaxonal dystrophy is a disorder that mainly affects the nervous system.

Children typically have no symptoms at birth. Between about 6 and 18 months they have delays in new skills, such as crawling or speaking, then lose skills they had gained. Muscles are first weak and floppy, then stiff. Some people first show signs later in childhood or the teenage years, and progress more slowly.

Signs & symptoms

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

  • Delays in motor and thinking skills
  • Loss of skills already gained
  • Weak, floppy muscles that later become stiff
  • Poor balance and coordination (ataxia)
  • Feeding trouble
  • Breathing 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. Consider genetic testing

    Changes in PLA2G6 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

  4. Connect with expert centers

    The Foundation for Peripheral Neuropathy 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: The Foundation for Peripheral Neuropathy
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 NBIA Disorders Association 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
Can genetic testing for the PLA2G6 gene confirm the diagnosis?
What can help with feeding and breathing?
Is genetic counseling available for our family?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Recessive
GenesPLA2G6

Changes in the PLA2G6 gene cause this condition. It is inherited in an autosomal recessive pattern, meaning a child inherits a changed copy of the gene from each parent.

GeneticNeurologicalInherited Metabolic

Also known as: inad; inad - infantile neuroaxonal dystrophy; inad1; infantile neuroaxonal dystrophy 1; nbia2a; neurodegeneration with brain iron accumulation 2a

Patient organizations

Source: NIH GARD · Infantile neuroaxonal dystrophyGARD ID 3957 · 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 Infantile neuroaxonal dystrophy.

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