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Myasthenia Gravis

ALS vs. Myasthenia Gravis



What is the difference in symptoms between Myasthenia Gravis and ALS? I have had blurred vision, muscle weakness and cramping, elevated CK levels and point tenderness.


The symptoms (things a patient notices) can be similar (weakness, trouble speaking, etc.) in MG and ALS but the things that a neurologist finds on examination are usually quite different. When you add in test results, the diagnosis becomes clear in most cases. The key is to work with a neurologist who is experienced with neuromuscular diseases. With your clinical picture, the diagnosis will be clear as your doctor continues to follow how you are doing. In a difficult-to-diagnose case, careful follow up is essential. Best wishes.

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Response by:

John G Quinlan, MD John G Quinlan, MD
Professor of Neurology
College of Medicine
University of Cincinnati