Drug Interaction Report

If you are currently being treated or have recently been treated with ibritumomab tiuxetan, you should let your doctor know before receiving smallpox and monkeypox vaccine. Depending on the dose and length of time you have been on ibritumomab tiuxetan, you may have a reduced response to the vaccine. In some situations, your doctor may want to delay vaccination to give your body time to recover from the effects of ibritumomab tiuxetan therapy. If you have recently been vaccinated with smallpox and monkeypox vaccine, your doctor may choose to postpone treatment with ibritumomab tiuxetan for a couple of weeks or more. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.