What causes myasthenic crisis in patients with myasthenia gravis?

Updated: Sep 20, 2018
  • Author: William D Goldenberg, MD; Chief Editor: Andrew K Chang, MD, MS  more...
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Answer

Answer

Most patients who present to the emergency department (ED) have an established diagnosis of myasthenia gravis and are already taking appropriate medications. The activity of the disease fluctuates, and adjustments in medication dosages must be made accordingly. Noncompliance with medications, infection, and other physiologic stressors may result in a fulminant exacerbation of the disease. The most common cause of myasthenic crisis often is infection, although idiopathic causes are also common. [5]


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