What should I tell my care team before I take this medication?
They need to know if you have any of these conditions:
- Dihydropyrimidine dehydrogenase (DPD) enzyme deficiency
- Heart disease
- Kidney disease
- Liver disease
- Low blood cell levels (white cells, red cells, and platelets)
- Take medication that treats or prevents blood clots
- An unusual or allergic reaction to capecitabine, fluorouracil, other medications, foods, dyes, or preservatives
- If you or your partner are pregnant or trying to get pregnant
- Breastfeeding
What may interact with this medication?
- Allopurinol
- Aspirin and aspirin-like medications
- Cyclosporine
- Diuretics
- Folic acid
- Leucovorin
- Medications for infection, such as acyclovir, adefovir, amphotericin B, bacitracin, cidofovir, foscarnet, ganciclovir, gentamicin, pentamidine, vancomycin
- NSAIDs, medications for pain and inflammation, such as ibuprofen or naproxen
- Pamidronate
- Phenytoin
- Warfarin
- Zoledronic acid
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medication?
Visit your care team for regular checks on your progress. Report any side effects. Continue your course of treatment even if you have side effects unless your care team tells you to stop.
This medication may make you feel generally unwell. This is not uncommon with medications used to treat cancer. Report any side effects. Continue your course of treatment even though you feel ill unless your care team tells you to stop.
You may need blood work done while you are taking this medication.
This medication may cause serious side effects. People with a DPYD gene variant have a higher risk of serious side effects that can occur early during treatment. A variant is a change in the gene code found in most people. Your care team may test you for this before you start this medication. Talk to your care team right away if you have severe symptoms of pain, redness, or swelling with sores inside your mouth or throat; diarrhea; fever, chills, cough; confusion, trouble speaking; loss of balance, trouble walking; difficulty with memory or paying attention.
Taking this medication with blood thinners can increase the risk of bleeding. Talk to your care team about all the medications, vitamins, and supplements you take. If you need to take a blood thinner, your care team may check your blood more often during and after treatment. Talk to your care team right away if you have black tar-like stools, unusual bruising or bleeding, red or dark brown urine, or if you vomit blood.
This medication may increase your risk of getting an infection. Call your care team for advice if you get a fever, chills, sore throat, or other symptoms of a cold or flu. Do not treat yourself. Try to avoid being around people who are sick.
Avoid taking medications that contain aspirin, acetaminophen, ibuprofen, naproxen, or ketoprofen unless instructed by your care team. These medications may hide a fever.
Be careful brushing or flossing your teeth or using a toothpick because you may get an infection or bleed more easily. If you have any dental work done, tell your dentist you are receiving this medication.
Talk to your care team if you do not feel like you want to eat or drink or if you have nausea, vomiting, or diarrhea. It is important to stay hydrated while you are taking this medication. The loss of too much body fluid can cause serious side effects.
This medication may cause serious skin reactions. They can happen weeks to months after starting the medication. Talk to your care team right away if you have fevers or flu-like symptoms with a rash. The rash may be red or purple and then turn into blisters or peeling of the skin. You may also notice a red rash with swelling of the face, lips, or lymph nodes in your neck or under your arms.
Talk to your care team if you or your partner may be pregnant. Serious fetal side effects can occur if you take this medication during pregnancy and for 6 months after the last dose. You will need a negative pregnancy test before starting this medication. Contraception is recommended while taking this medication and for 6 months after the last dose. Your care team can help you find the option that works for you.
If your partner can get pregnant, use a condom during sex while taking this medication and for 3 months after the last dose.
Do not breastfeed while taking this medication and for 1 week after the last dose.
This medication may cause infertility. Talk to your care team if you are concerned about your fertility.
What are the most serious risks of this medication?
This medication may cause serious side effects. People with a DPYD gene variant have a higher risk of serious side effects that can occur early during treatment. A variant is a change in the gene code found in most people. Your care team may test you for this before you start this medication. Talk to your care team right away if you have severe symptoms of pain, redness, or swelling with sores inside your mouth or throat; diarrhea; fever, chills, cough; confusion, trouble speaking; loss of balance, trouble walking; difficulty with memory or paying attention.