Apo-Warfarin; Coumadin; Mylan-Warfarin; Novo-Warfarin; Taro-Warfarin
- This drug may cause very bad and sometimes deadly bleeding. Talk with the doctor.
- Have your blood work (PT/INR) checked as told by the doctor. This is important to make sure the drug works right and to check your risk of bleeding problems.
- Your diet and certain drugs may affect your PT/INR level. Talk with your doctor.
- Avoid actions or sports that may raise the chance of injury or bleeding.
- Call your doctor right away if you have any signs of bleeding problems, like bruising; black, tarry, or bloody stools; bleeding gums; blood in the urine; coughing up blood; cuts that take a long time to stop bleeding; feel dizzy; feeling very tired or weak; nosebleeds; pain or swelling; throwing up blood or throw up that looks like coffee grounds; or very bad headache.
- Call your doctor right away if you have vaginal bleeding that is not normal or very heavy periods (menstrual bleeding).
- It is used to treat blood clots.
- It is used to lower the chance of blood clots that cause certain health problems like heart attack or stroke.
- If you have an allergy to warfarin or any other part of this drug.
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have any of these health problems: Blood vessel problems like, aneurysm or dissecting aorta; bleeding problems; bleeding in the brain; active ulcer; bleeding of the stomach, bowel, urinary tract, genitals, or respiratory tract; blood problems; heart infection; low platelet count; pericarditis, recent surgery of the eye, brain, or spine; or very high blood pressure.
- If you are having surgery, talk with your doctor.
- Tell your doctor you use this drug before you get spinal anesthesia or a spinal treatment.
- If you have had spinal anesthesia, surgery, or any spinal care, talk with your doctor.
- If you know that you will not take the drug as you have been told.
- For women, if you are pregnant or may be pregnant.
- Tell dentists, surgeons, and other doctors that you use this drug.
- Use care to prevent injury and avoid falls or crashes.
- If you fall or hurt yourself, or if you hit your head, call your doctor right away.
- You may bleed more easily. Be careful and avoid injury. Use a soft toothbrush and an electric razor.
- If you drink grapefruit juice or eat grapefruit often, talk with your doctor.
- Talk with your doctor before using products that have aspirin, blood thinners, garlic, ginseng, ginkgo, ibuprofen or like products, pain drugs, or vitamin E.
- Talk with your doctor before taking multivitamins, natural products, and diet aids. These may have vitamin K in them.
- Talk with your doctor about the amount of vitamin K in your diet. Vitamin K may change how this drug works. You do not have to avoid all foods with vitamin K. However, you will need to keep the amount of foods with vitamin K in your diet about the same from day to day. Many foods have vitamin K in them. This includes some green, leafy vegetables; broccoli; liver; and certain vegetable oils. Get a list of foods that have vitamin K in them from your doctor. Do not make big changes in your normal diet without talking with your doctor.
- Follow the diet and workout plan that your doctor told you about.
- Avoid drinking alcohol.
- If you stop smoking, talk with your doctor. How much drug you take may need to be changed.
- If you are of Asian descent, use this drug with care. You could have more side effects.
- If you are 65 or older, use this drug with care. You could have more side effects.
- Use birth control that you can trust to prevent pregnancy while taking this drug.
- This drug may cause harm to the unborn baby if you take it while you are pregnant.
- If you get pregnant while taking this drug, call your doctor right away.
- Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Change in strength on 1 side is greater than the other, trouble speaking or thinking, change in balance, or blurred eyesight.
- Chest pain.
- Very bad dizziness or passing out.
- Swelling, warmth, numbness, change of color, or pain in a leg or arm.
- Very bad headache.
- Change in skin color to black or purple.
- Pain, color, or temperature change in any part of your body.
- Feeling very tired or weak.
Oral and shot:
- Use this drug exactly as you have been told, even if you feel well. This is important for the drug to work right and to lower the risk of bleeding.
- Take this drug at the same time of day.
- To gain the most benefit, do not miss doses.
- Take with or without food.
- It may be given as a shot into a vein.
- Take a missed dose as soon as you think about it on the same day you missed the dose.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
- Call the doctor to find out what to do.
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Protect from light.
- Keep all drugs out of the reach of children and pets.
- Check with your pharmacist about how to throw out unused drugs.
- This drug will be given to you in a hospital or doctor’s office. You will not store it at home.
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else’s drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
If you have any questions or concerns, talk with a member of your healthcare team. You can reach them Monday through Friday from 9:00 am to 5:00 pm at ____________________. After 5:00 pm, during the weekend, and on holidays, please call____________________. If there’s no number listed, or you’re not sure, call 212-639-2000.
Warfarin©2015 Memorial Sloan Kettering Cancer Center - Generated on November 26, 2015