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Symptoms of Myasthenia gravis

Between patients, the disease varies widely in severity and pattern of progression.

In the early stages, the weakness can come and go. Often the first sign is drooping of the eyelids or double vision. About 15% of patients only ever have eye muscle weakness - this is called ocular myasthenia.

The others also have more widespread weakness - generalized myasthenia. These patients can develop weakness of the face, swallowing, and chewing muscles, slurring of speech, and weakness of the limbs and neck.

In severe cases, weakness of the breathing muscles can occur. Problems with swallowing or coughing can cause choking.