Gilenya can cause a serious heart problem. Your risk may be higher if you also use certain other medicines for infections, asthma, heart problems, high blood pressure, depression, mental illness, cancer, malaria, or HIV.
Tell your doctor about all the other medicines you take, especially:
drugs that weaken the immune system such as cancer medicine, steroids, and medicines to prevent organ transplant rejection.
Many drugs can interact with fingolimod. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed here. Tell your doctor about all your current medicines and any medicine you start or stop using.
 Gilenya drug interactions (more detail)
