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Living with Maternally-inherited mitochondrial dystonia

A rare nervous system condition with muscle tightening (dystonia) that starts in childhood and is passed through mothers.

Understanding Maternally-inherited mitochondrial dystonia

Maternally-inherited mitochondrial dystonia is a rare nervous system condition related to mitochondrial DNA, with worsening dystonia that starts in childhood.

Dystonia means muscles that tighten and twist on their own. The severity varies from person to person. It starts in childhood.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet, but its summary describes dystonia that gets worse over time.

  • Dystonia (muscle tightening and twisting)
  • Symptoms that start in childhood
  • Severity that varies between people

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 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

    United Mitochondrial Disease Foundation and MitoAction may keep lists of experts for this condition.

Care & treatment

Care team
Genetic specialists (geneticists)
Expert care
Expert lists: United Mitochondrial Disease Foundation, MitoAction
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 United Mitochondrial Disease Foundation 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
Should we have mitochondrial DNA testing for our family?
Which therapies can help with dystonia?
Which specialists should be on our care team?

Quick facts

Symptoms usually startChild
InheritanceMitochondrial

GARD describes it as related to mitochondrial DNA with mitochondrial (maternal) inheritance. It does not name a specific gene.

GeneticInherited MetabolicMitochondrial

Also known as: maternally inherited mitochondrial dystonia; mitochondrial dna-related dystonia; mtdna-related dystonia

Patient organizations

Source: NIH GARD · Maternally-inherited mitochondrial dystoniaGARD ID 20767 · 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 Maternally-inherited mitochondrial dystonia.

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