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Living with Charcot-Marie-Tooth disease dominant intermediate C

An inherited nerve condition with moderately severe, slowly worsening weakness and loss of feeling in the hands and feet.

Understanding Charcot-Marie-Tooth disease dominant intermediate C

Charcot-Marie-Tooth disease dominant intermediate C is a rare, inherited nerve disease affecting movement and feeling.

It brings the usual features of Charcot-Marie-Tooth disease: weakness and wasting in the hands and feet, loss of feeling there, weak or absent reflexes, and foot differences. It is moderately severe and slowly worsening. It starts anywhere from childhood to adulthood.

Signs & symptoms

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

  • Weakness in the hands and feet
  • Wasting of muscles in the hands and feet
  • Loss of feeling in the hands and feet
  • Absent tendon reflexes
  • Trouble walking and running
  • Weakness in the hands

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 YARS1 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

    Charcot-Marie-Tooth Association and 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: Charcot-Marie-Tooth Association, 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 Charcot-Marie-Tooth 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 YARS1 genetic testing confirm the diagnosis?
What braces or therapy can help with walking?
How often should my nerve function be checked?

Quick facts

Symptoms usually startfrom Childhood to Adulthood
InheritanceAutosomal Dominant
GenesYARS1

Changes in the YARS1 gene cause this condition. It is inherited in an autosomal dominant way, so one changed copy of the gene can cause it.

GeneticNeurological

Also known as: autosomal dominant intermediate charcot-marie-tooth disease type c; charcot-marie-tooth disease caused by mutation in yars; charcot-marie-tooth disease dominant intermediate type c; charcot-marie-tooth disease, dominant intermediate type c; charcot-marie-tooth neuropathy dominant intermediate c; charcot-marie-tooth neuropathy, dominant intermediate c

Patient organizations

Source: NIH GARD · Charcot-Marie-Tooth disease dominant intermediate CGARD ID 12439 · 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 Charcot-Marie-Tooth disease dominant intermediate C.

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