Both<unk>  and methimazole can cause agranulocytosis and hepatotoxicity, but to a lesser extent with methimazole
Agranulocytosis, aplastic anemia
Hepatotoxicity, liver failure
Nephritis
Vasculitis
Rash
Propylthiouracil
Methimazole
Levothyroxine
Fludrocortisone
Potassium iodide
Cortisone
Hydrocortisone 
Rituximab