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Myasthenia Gravis

What is Myasthenia Gravis (MG)?

Myasthenia gravis is an autoimmune disease (where the immune system attacks the body in some way). Examples of other autoimmune diseases are rheumatoid arthritis, systemic lupus erythematosis, and Graves disease. For reasons that are not understood, the body's immune system, which normally fights infections or cancers, attacks the nerve-muscle communication point.

Specifically, antibodies (proteins of the immune system) attack the acetylcholine receptor, which is on the muscle surface, and cause the signal from the nerve to be blocked.

What are the symptoms of MG?

The major symptom of MG is muscle weakness, which gets worse with activity. People with MG complain of feeling tired. Often, they may feel pretty well in (More)


Understanding Myasthenia Gravis

  • Myasthenia Gravis Overview
  • What Alternative Therapies are Available to Treat Myasthenia Gravis?
  • What are the Symptoms of Myasthenia Gravis?
  • What are the Tests for Myasthenia Gravis?
  • What Conditions Might be Confused with Myasthenia Gravis?
  • What Else Do I Need to Know About Myasthenia Gravis?
  • What is it like to Live with Myasthenia Gravis?
  • What is Myasthenia Gravis?
  • What is the Role of the Thymus and a Thymectomy in Myasthenia Gravis?
  • What Medications Can be Taken by People with Myasthenia Gravis?
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  • Commonly Asked Questions


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  • After myasthenia crisis recovery
  • Autoimmune Diseases and the Flu
  • Double vision
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  • How accurate is the blood test for MG?
  • How Much Exercise is Too Much
  • Is Myasthenia Gravis Hereditary
  • Lifespan without treatment
  • Myasthenia Gravis
  • Ocular Myasthenia
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    NetWellness Expert Robert W Neel, IV

    Robert W Neel, IV, MD
    University of Cincinnati

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    Last Updated: May 20, 2014