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Additional names
This group contains additional names: - Glycogen storage disease type 5
General
McArdle disease is a rare muscle disorder. Glycogen, a complex sugar, isn't broken down by the muscle cells in this disease. The disease belongs to the glycogen storage diseases group.
2 people with McArdle disease
Learn from others who are experiencing McArdle disease.
Signs & symptoms
McArdle disease causes muscle symptoms. You may find it difficult to exercise without becoming tired. It may not happen when you walk gently. However, more than a few minutes of strenuous exercise may not be possible for you.
Diagnosis
The diagnosis is made first by taking medical and familial history. Test your muscle strength. Blood tests to check for muscle enzymes, such as creatine kinase DNA blood tests for known McArdle disease mutations Electromyography to measure the electrical activity of the muscles Forearm exercise test MRI studies of your muscles Muscle biopsy. Urine tests to check for myoglobin.
Treatment
There is no cure for McArdle disease. Diet and exercise strategies may help you control the condition.
Note
☝ We provide information on prescription and over-the-counter medicines, diagnosis, procedures and lab tests. This material is provided for educational purposes only and is not medical advice, diagnosis or treatment.
National Institutes of Health ∙ World Health Organization ∙ MedlinePluse ∙ Centers for Disease Control and Prevention
☝ All information has been reviewed by certified physicians from Alike
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