Serious. These medicines may interact and cause very harmful effects. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
Fingolimod decreases your immune system's response to vaccination.
What might happen:
Vaccinations may not work as well during and for two months after your fingolimod therapy.
What you should do about this interaction:
Make sure your healthcare professionals (e.g. doctor or pharmacist) know that you are taking or if you have taken fingolimod within the previous two months. Your doctor may want to perform a blood test a few weeks after your vaccination to determine if the vaccine worked.Your healthcare professionals may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.Reference:1.Gilenya (fingolimod) US prescribing information. Novartis Pharmaceuticals Corporation August, 2015.