Montelukast as a Rescue and Premedication for Rituximab Infusion Reactions.

Rituximab (RTX) is a monoclonal antibody often used in patient treatment of malignancies and several rheumatological disorders, including vasculitides. 1-3 It has become an essential component of many treatment protocols; however, is commonly associated with hypersensitivity infusion reactions. 1 .