3 doctors weighed in:

What causes mg (myasthenia gravis)?

3 doctors weighed in
Dr. Julian Bragg
Neurology
2 doctors agree

In brief: Immune system

Myasthenia is caused by the immune system attacking a protein in the junction between nerve and muscle.
This usually happens spontaneously, but can be triggered by drug exposure or by certain types of tumors.

In brief: Immune system

Myasthenia is caused by the immune system attacking a protein in the junction between nerve and muscle.
This usually happens spontaneously, but can be triggered by drug exposure or by certain types of tumors.
Dr. Julian Bragg
Dr. Julian Bragg
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