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Living with Duchenne muscular dystrophy

A genetic condition, mostly in males, that causes muscle weakness and loss that slowly worsen, usually noticed in early childhood.

Understanding Duchenne muscular dystrophy

Duchenne muscular dystrophy (DMD) is a genetic condition that causes muscle wasting that gets worse over time.

DMD occurs mainly in males, though rarely it can affect females. It causes progressive weakness and loss of both skeletal and heart muscle. Early signs can include delays in sitting, standing, or walking and trouble learning to speak. Weakness is usually noticeable in early childhood. It can occur in people with no family history. Becker muscular dystrophy is a milder form linked to the same gene.

Signs & symptoms

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

  • Muscle weakness that slowly gets worse
  • Weakness in upper arms and upper legs
  • Waddling walk
  • Enlarged calf muscles
  • Heart muscle disease (cardiomyopathy)
  • Scoliosis (curved spine)

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, eye disease specialists, genetic specialists and heart and blood vessel specialists.

  3. Consider genetic testing

    Changes in DMD 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

    Parent Project Muscular Dystrophy, Hypertrophic Cardiomyopathy Association and Muscular Dystrophy Association may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Eye disease specialists (ophthalmologists); Genetic specialists (geneticists); Heart and blood vessel specialists (cardiologists)
Expert care
Expert lists: Parent Project Muscular Dystrophy, Hypertrophic Cardiomyopathy Association, Muscular Dystrophy Association
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 Parent Project Muscular Dystrophy 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
Would genetic testing of the DMD gene help our family, including female relatives?
How often should heart and breathing be checked?
What physical therapy and care team would you suggest?

Quick facts

Symptoms usually startChild
InheritanceX-Linked
GenesDMD

GARD says changes in the DMD gene cause this condition. It is inherited in an X-linked recessive pattern and can occur in people with no family history.

GeneticNeurological

Also known as: dmd; dmd - duchenne muscular dystrophy; duchenne muscular dystrophy, x-linked recessive; muscular dystrophy, duchenne; muscular dystrophy, pseudohypertrophic progressive, duchenne type; pseudohypertrophic muscular dystrophy

Patient organizations

Source: NIH GARD · Duchenne muscular dystrophyGARD ID 6291 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

Explore research for Duchenne muscular dystrophy

Explore actively recruiting Duchenne muscular dystrophy studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Duchenne muscular dystrophy with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
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  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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