 Enfiera 500mg InjectionRituximab 500mgNon-Hodgkin lymphoma NHL Rheumatoid arthritis Blood cancer Chronic lymphocytic leukemia Granulomatosis with polyangiitis Microscopic polyangiitisHeadache Weakness Infection Chills Decreased white blood cell count neutrophils Fever Infusion site reaction Lymphopenia Abdominal pain Back pain 