What causes Becker muscular dystrophy (BMD)?

Honor Society of Nursing (STTI)

Duchenne and Becker muscular dystrophy are names for the same disorder caused by genetic mutations in the DMD gene. The DMD gene makes a protein called dystrophin. It is located on the X chromosome, which means that boys inherit the mutation from their mothers. This leads to symptoms such as muscle weakness and difficulty with walking or running, which are apparent by age 5 in Duchenne or later in Becker.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.

Muscular Dystrophy

Muscular dystrophy (MD) refers to a group of more than 30 genetic diseases that cause muscle degeneration, progressive weakness and chronic or permanent shortening of tendons and muscles. Treatment focuses on symptom management and can include steroids, physical therapy, breathing support devices and surgery. The prognosis varies according to the type of MD and the speed of progression.

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