Question: what drugs are used to treat vasculitis?
Answer: Prednisone. Prednisone is a glucocorticoid medication (also called a steroid). ... 
Rituximab (also called Rituxan) Doctors have used rituximab to treat rheumatoid arthritis patients, with good results. ... 
Cyclophosphamide (also called Cytoxan) ... 
Methotrexate. ... 
Azathioprine (also called Imuran)