Always tell your doctor what other prescription medications, nonprescription medications, vitamins, or nutritional supplements you are currently taking or plan to start taking during the course of a new medication.

Do not take aspirin or other blood thinners while on Xeloda unless your doctor tells you it’s okay. If you’re taking warfarin (Coumadin), your doctor may need to adjust your dose.

If you take phenytoin (Dilantin) your doctor may need to adjust your dose.

Tell your doctor if you are pregnant or planning on becoming before starting Xeloda. It can cause birth defects for the baby if you are already pregnant. Both men and women should not plan on conceiving a child while on Xeloda. Your doctor can tell you when it will be safe to do so after treatment.

Tell your doctor if you have kidney problems, liver disease, or heart problems.

Tell your doctor if you have ever been told that you have a dihydropyrimidine dehydrogenase (DPD) enzyme deficiency, as this may cause you to not be able to take Xeloda.

Do not breast feed a child while on Xeloda.

You should not get any new vaccines while on Xeloda.