Corticosteroids suppress the immune system and attenuate the production of this abnormal antibodies to acetylcholine receptor at the motor endplate.
Treatment start with cholinesterase inhibitor . In more advances cases corticosteroids and thymectomy are used. In more severe cases, immunosuppressant (such as azathioprine or cyclosporine)and plasmapheresis are used. Intravenous immunoglobulins is used for myasthenic crisis.