Apo-Warfarin; Coumadin; Mylan-Warfarin; Novo-Warfarin; Taro-Warfarin
- This drug may cause very bad and sometimes deadly bleeding. Talk with the doctor.
- Call the doctor right away if your child has 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; feeling 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 the doctor right away if your child has vaginal bleeding that is not normal or very heavy periods (menstrual bleeding).
- You will need to have your child’s blood work (PT/INR) checked while your child takes this drug. This is important to make sure the drug works right and to check your child’s risk of bleeding. Have your child’s PT/INR checked as you have been told by your child’s doctor or other health care provider. If you are not sure when you need to have your child’s PT/INR checked, call your child’s doctor or other health care provider.
- Your child’s diet and certain drugs may affect your child’s PT/INR level. Talk with the doctor.
- Have your child avoid actions or sports that may raise the chance of injury.
- It is used to treat blood clots.
- It is used to thin the blood so that clots will not form.
- It is used to lower the chance of heart attack, stroke, and death in some people.
- If your child has an allergy to this drug or any part of this drug.
- If your child is allergic to any drugs like this one or any other drugs, foods, or other substances. Tell the doctor about the allergy and what signs your child had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If your child has 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 your child is pregnant or may be pregnant.
- If your child is having surgery, talk with the doctor.
- Tell your child’s doctor he/she uses this drug before he/she gets spinal anesthesia or a spinal treatment.
- If your child has had spinal anesthesia, surgery, or any spinal care, talk with your child’s doctor.
- If you know that your child will not take the drug or have blood work (PT/INR) checked as you have been told by the doctor.
- If your child has thrombocytopenia caused by heparin.
If your child is pregnant:
- If your child has any of these health problems: A certain health problem called pre-eclampsia, seizures during pregnancy (eclampsia), induction of labor, or threatened spontaneous abortion.
- Tell all of your child’s health care providers that your child is taking this drug. This includes your child’s doctors, nurses, pharmacists, and dentists.
- Use care to prevent your child from getting hurt and have your child avoid falls or crashes.
- If your child falls, gets hurt, or hits his/her head, call the doctor right away. Talk with the doctor even if your child feels fine.
- Your child may bleed more easily. Make sure your child is careful and avoids injury. Be sure your child has a soft toothbrush.
- If your child drinks grapefruit juice or eats grapefruit often, talk with your child’s doctor.
- Talk with the doctor before giving your child products that have aspirin, blood thinners, garlic, ginseng, ginkgo, ibuprofen or like products, pain drugs, or vitamin E.
- Certain foods can affect your child’s PT/INR levels. Have your child follow the diet plan your child’s doctor or other health care provider told you about.
- Talk with the doctor about the amount of vitamin K in your child’s diet. Vitamin K may change how this drug works. Your child does not have to avoid all foods with vitamin K. However, you will need to keep the amount of foods with vitamin K in your child’s 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 child’s doctor. Do not make big changes in your child’s normal diet without talking with the doctor.
- Talk to your child’s doctor before giving your child multivitamins, natural products, and diet aids. These may have vitamin K in them.
- Have your child’s patient safety card with you at all times.
- Call the doctor right away if your child has diarrhea, a fever, or an infection.
- If your child stops or starts smoking, talk with the doctor. How much drug your child takes may need to be changed.
- If your child is of Asian descent, use this drug with care. Your child could have more side effects.
- A very bad and sometimes deadly health problem involving the skin (calciphylaxis) has happened with this drug. This has happened in people with and without very bad kidney problems. Talk with the doctor.
If your child is or may be sexually active:
- If your child is of childbearing age, a pregnancy test will need to be done before starting this drug to make sure she is not pregnant.
- Have your child use birth control to prevent pregnancy while taking this drug and for 1 month after stopping this drug.
If your child is pregnant or breast-feeding a baby:
- This drug may cause harm to the unborn baby if your child takes it during pregnancy.
- If your child gets pregnant while taking this drug or within 1 month after the last dose, call the doctor right away.
- Tell the doctor if your child is breast-feeding a baby. You will need to talk about any risks to the 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, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Weakness on 1 side of the body, trouble speaking or thinking, change in balance, drooping on one side of the face, 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.
- Feeling very tired or weak.
- Change in skin color to black or purple.
- Death of skin tissue may rarely happen. This can lead to loss of the body part (amputation) and can be deadly. Call the doctor right away if your child has pain, color, or temperature change in any part of the body.
- If your child has kidney problems or has had kidney problems in the past, talk with your child’s doctor. Kidney problems may happen. Call your child’s doctor right away if your child has signs of kidney problems like not able to pass urine, change in how much urine is passed, blood in the urine, or a big weight gain.
- Give this drug exactly as you have been told, even if your child feels well. This is important for the drug to work right and to lower the risk of bleeding.
- Give this drug at the same time of day.
- To gain the most benefit, do not miss giving your child doses.
- Pregnant women must not handle crushed or broken tablets. Talk with the doctor.
- It is given as a shot into a vein.
- Give a missed dose as soon as you think about it on the same day your child missed the dose.
- If it is close to the time for your child’s next dose, skip the missed dose and go back to your child’s normal time.
- Do not give 2 doses at the same time or extra doses.
- Do not give more than 1 dose of this drug in the same day.
- Call your child’s doctor to find out what to do.
- Store at room temperature.
- Protect from light.
- Store in a dry place. Do not store in a bathroom.
- If you need to store this drug at home, talk with your child’s doctor, nurse, or pharmacist about how to store it.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
- If your child’s symptoms or health problems do not get better or if they become worse, call your child’s doctor.
- Do not share your child’s drug with others and do not give anyone else’s drug to your child.
- Keep a list of all your child’s drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your child’s doctor.
- Talk with your child’s doctor before giving your child 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 child’s doctor, nurse, 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.