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Living with Dystonia 25

A rare inherited dystonia that mostly affects the jaw and face and is brought on by speaking, starting in adulthood.

Understanding Dystonia 25

Dystonia 25 is a rare inherited form of dystonia that affects the face, especially the jaw, and is triggered by the act of speaking.

It causes involuntary tightening of the chewing (masticatory) muscles, which can lead to trouble with speech (dysarthria) or swallowing (dysphagia). It begins in adulthood. Dystonia may also affect the neck, voice box, tongue, or limbs.

Signs & symptoms

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

  • Face and jaw dystonia
  • Voice box (laryngeal) dystonia
  • Tongue dystonia
  • Wry neck (torticollis)
  • Dystonia in the limbs
  • Dystonia in one area (focal)

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 GNAL 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

    Dystonia Medical Research 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: Dystonia Medical Research 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 Dystonia Medical Research 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
Would genetic testing for the GNAL gene help our family?
What speech therapy or treatments can help?
What triggers should I note?

Quick facts

Symptoms usually startAdult
InheritanceAutosomal Dominant
GenesGNAL

GARD says changes in the GNAL gene cause this condition. It is autosomal dominant, meaning one changed copy of the gene can cause it.

GeneticNeurological

Also known as: autosomal dominant focal dystonia dyt25 type; autosomal dominant focal dystonia, dyt25 type; dystonia type 25; dystonic disorder caused by mutation in gnal; dyt25; gnal dystonic disorder

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Dystonia 25GARD ID 10667 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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Perspectives from people navigating life with Dystonia 25.

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