Answer
Yes. It depletes B cells and may reduce immunoglobulins or white blood cells. Serious infections, including pneumonia and sepsis, have occurred.
Sources for this answer
- Lunsumio 1 mg and 30 mg concentrate for solution for infusion — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.