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McArdle disease

McArdle disease: Introduction

McArdle disease: A rare inherited glycogen storage disorder involving a deficiency of muscle phosphorylase needted to convert glycogen to glucose in the muscles. More detailed information about the symptoms, causes, and treatments of McArdle disease is available below.

Symptoms of McArdle disease

  • Muscle cramps after exercise
  • Myoglobin in urine
  • Reduced muscle phosphorylase activity
  • Absent muscle phosphorylase activity
  • Myoglbin in urine
  • more symptoms...»

Treatments for McArdle disease

  • Eating sucrose before exercising may improve the patients tolerance to exercise and reduce the risk of muscle damage
  • more treatments...»

Wrongly Diagnosed with McArdle disease?

McArdle disease: Related Patient Stories

McArdle disease: Deaths

Read more about Deaths and McArdle disease.

McArdle disease: Complications

Review possible medical complications related to McArdle disease:

Causes of McArdle disease

Read more about causes of McArdle disease.

Disease Topics Related To McArdle disease

Research the causes of these diseases that are similar to, or related to, McArdle disease:

McArdle disease: Research Doctors & Specialists

Research related physicians and medical specialists:

Other doctor, physician and specialist research services:

Evidence Based Medicine Research for McArdle disease

Medical research articles related to McArdle disease include:

Click here to find more evidence-based articles on the TRIP Database

McArdle disease: Animations

Research about McArdle disease

Visit our research pages for current research about McArdle disease treatments.

Statistics for McArdle disease

McArdle disease: Broader Related Topics

User Interactive Forums

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Definitions of McArdle disease:

Glycogenosis due to muscle phosphorylase deficiency. Characterized by painful cramps following sustained exercise. - (Source - Diseases Database)

McArdle disease is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that McArdle disease, or a subtype of McArdle disease, affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)

Ophanet, a consortium of European partners, currently defines a condition rare when it affects 1 person per 2,000. They list McArdle disease as a "rare disease".
Source - Orphanet


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