Treating patients who have certain types of non-Hodgkin lymphoma. It may be used alone or in combination with other medicines. It is also used along with another medicine (methotrexate) to treat certain patients who have rheumatoid arthritis (RA). It is used along with other medicines (fludarabine and cyclophosphamide) to treat a certain type of chronic lymphocytic leukemia (CLL). It is also used along with corticosteroids (eg, methylprednisolone) to treat certain blood vessel disorders (Wegener granulomatosis [WG], microscopic polyangiitis [MPA]). It may also be used for other conditions as determined by your doctor. Rituxan is a monoclonal antibody. It works by lowering the number of certain types of white blood cells (B cells) in the body. This helps to treat the non-Hodgkin lymphoma. This also helps to decrease pain, swelling, and inflammation in certain patients with RA.
Rituxan is used to treat certain types of cancer such as non-Hodgkin's lymphoma, as well as rheumatoid arthritis. As a monoclonal antibody, Rituxan works by obstructing the growth and spread of cancerous cells.In some cases, Rituxan can be used to treat forms of rheumatoid arthritis if other medications for the condition have already failed.