Overview Role of Nefopam in Rituximab Transfusion Reaction Status: Not yet recruiting Trial end date: 2023-11-20 Target enrollment: Participant gender: Summary the patients will be taken nefopam ampule 50 mg before rituximab in the first group while the second group will be taken diphenhydramine ampule 10 mg before rituximab in the second group Phase: Phase 3 Details Lead Sponsor: Ministry Of Health / Nineveh Health DirectorateTreatments: DiphenhydramineNefopamPromethazine