Drug Interaction Report

If you are currently being treated or have recently been treated with tositumomab, you should let your doctor know before receiving talimogene laherparepvec. Depending on the dose and length of time you have been on tositumomab, you may be at risk for developing a potentially life-threatening herpes infection from exposure to talimogene laherparepvec. In some situations, your doctor may want to delay treatment with talimogene laherparepvec to give your body time to recover from the effects of tositumomab therapy. 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.