Understanding Myasthenia Gravis -- Symptoms

What Are the Symptoms of Myasthenia Gravis?

The symptoms of myasthenia gravis include:

  • Droopy eyelids
  • Double vision
  • Difficulty swallowing with an increased risk of gagging and choking
  • Change in the quality of one's voice
  • Increasing weakness of a particular muscle group during continuous use of those muscles and improved strength of muscles after resting those muscle groups
  • Weak cough
  • Difficulty breathing, leading to respiratory failure (myasthenic crisis)
  • Droopy eyelids or double vision
  • Unclear speech, difficulty swallowing or fatigue with chewing (bulbar signs)
  • Uncommonly, only weak arms or legs


Call Your Doctor If You Have the Following Symptoms:

  • You notice a droopy eyelid or double vision
  • You have any difficulty chewing or swallowing
  • You notice intermittent muscle weakness that improves after rest
  • You already have myasthenia gravis and experience any difficulty breathing


WebMD Medical Reference Reviewed by Sabrina Felson, MD on March 31, 2019



National Institute of Neurological Disorders and Stroke. 

Myasthenia Gravis Foundation of America.

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