The drug is also used alone or with other medicines to treat: Rituxan is in a class of medicines known as monoclonal antibodies. It works by killing cancer cells and interfering with the function of the immune system. Hydroxychloroquine nightmares Hydroxychloroquine class action lawsuit Does Plaquenil Interact with other Medications? Severe Interactions. These medications are not usually taken together. Consult your healthcare professional e.g. doctor or pharmacist for more in. Rituximab Rituxan and MabThera is a drug used to treat rheumatoid arthritis, and certain forms of vasculitis, that has not improved with other types of medications. It works by turning off a part of the immune system that is not working properly in autoimmune diseases. Rituximab is used in combination PLAQUENIL hydroxychloroquine sulfate tablets is indicated for the treatment of rheumatoid arthritis, and discoid and systemic lupus erythematosus, in patients who have not responded satisfactorily to drugs with less potential for serious side effects. These reactions usually occur after the first dose is given. The Food and Drug Administration (FDA) approved Rituxan in 1997. Rituxan contains a black-box warning because it may cause a serious or life-threatening reaction that can happen while you receive your injection or within 24 hours of your injection. Rituxan interac with plaquenil Compare Plaquenil vs Rituxan -, Rituximab PATIENT FACT SHEET Rituxan and MabThera Rheumatoid arthritis treatment plaquenil monoHydroxychloroquine sulfate 200 mg tab side effectsPlaquenil wonder drugTurmeric and hydroxychloroquinePlaquenil stomach ulcer Find information about RITUXAN® rituximab, a possible treatment for RA, NHL, CLL, GPA, MPA, and PV. See important safety including Boxed Warnings for more information. Rituxan® rituximab for RA, NHL, CLL, GPA, MPA, and PV. Plaquenil Hydroxychloroquine Sulfate. PATIENT FACT SHEET Hydroxychloroquine Plaquenil. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Hydroxychloroquine oral tablet can interact with. Drug Interactions. Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Rituxan is the brand name of the drug rituximab, which is used to treat non-Hodgkin lymphoma a type of cancer that starts in the lymphatic system and chronic lymphocytic leukemia a type of cancer that begins in the white blood cells.