Taking a blood thinner (warfarin, Coumadin, Jantoven) can increase your risk of severe bleeding during and shortly after treatment with Xeloda. This risk is higher in adults older than 60.
Tell your doctor if you also take allopurinol.
Other drugs may interact with capecitabine, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all other medicines you use.
 Xeloda drug interactions (more detail)
