Systemic illness
Systemic illness is a type of illness which involves multiple parts of the body and systemic illnesses like hypertension, diabetes, dyslipidemia, and heart diseases might influence the immune system to start giving active immune responses against the neuromuscular transmission. Some other diseases like systemic lupus erythematosus (SLE), thyroid disease and rheumatoid arthritis (RA) might also lead to the development of myasthenia gravis.