Coumadin is an anticoagulant medication. Its effect consists in blocking the formation of certain blood clotting factors.
Consult with your doctor before using Coumadin. Here are common rules of its usage:
- Avoid eating grapefruit or drink grapefruit juice while you take Coumadin.
- Coumadin is taken oral with or without food on a regular schedule and at the same time each day.
- Don't stop taking Warfarin even if you feel well. Do not miss any intake of Warfarin, unless your doctor tells you do so.
If you have any questions about intake of Coumadin, consult with your doctor as soon as possible.
In the case of missing an intake of Coumadin, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and continue your regular intake. Do not take 2 doses at once.
Coumadin Safety information
Coumadin is contra-indicated for:
- Those who have allergy to any ingredient in Coumadin;
- Individuals with bleeding tendencies, severe or uncontrolled high blood pressure, hemophilia, low white blood cell or platelet levels or leukemia;
- Those who have active ulcer or bleeding of the stomach or bowel, urinary tract, genitals, or respiratory tract;
- Individuals who recently had or will be having eye, brain, or spinal cord surgery; spinal anesthesia; spinal puncture;
- Pregnant women;
- Those who is unable to follow your doctor's instructions properly and nobody can help you take your medicine;
- Individuals who are taking mifepristone, streptokinase, or urokinase.
Call your physician or health care provider immediately if something of these happens to you.
Pay attention to this important features:
- If you have to any medical or dental care, emergency care, or surgery please tell your doctor or dentist that you take Coumadin.
- The risk of side effects of Coumadin can be increased if you drink alcohol, overheat or change your level of activity or weight without consultation with your health care provider while you are taking Coumadin.
- Avoid eating cranberry products or drink cranberry juice while you are taking Coumadin. Tell your doctor if these products are already part of your diet.
- Coumadin decreases blood clotting. Be careful while doing activities such as brushing your teeth, flossing, or shaving. Beware of activities that may cause bruising or injury. Travel or other activity that will lead to situation that you’ll be confined to a bed or chair for a long period of time (e.g. , car or airplane ride) may increase your risk of developing a blood clot. Tell your doctor if you are planning such activity.
- Beware of taking aspirin while you take Coumadin unless your doctor tells you to. If you already take aspirin for a heart or other condition, consult with your doctor about whether or not you should continue to take it with Coumadin.
- After finishing your treatment with Coumadin, the blood thinning effects may last for 2 to 5 days. Discuss any questions or concerns with your doctor. Do not stop taking Coumadin without consultation with your physician.
- It's necessary to perform laboratory tests, including certain blood clotting tests (eg, PT, INR), while taking Coumadin.Results of these tests display state of your health and presence of side effects. It is obligatory to follow all doctor and laboratory prescriptions.
- Pregnancy and breast-feeding: Beware of taking Coumadin if you are pregnant. It has been dangerous to the fetus. Avoid becoming pregnant while you are using Coumadin. If you think you may be pregnant, consalt with your doctor immediately. It is still a question if Coumadin is found in breast milk. If you are or will be breast-feeding while you use Coumadin, consult with your doctor. Discuss any possible side effects for your baby.
- Use Coumadin with extreme care for children; safety and effectiveness for children are not reliable. Children need more frequent laboratory tests if they take Coumadin.
- Take Coumadin only by doctor prescription (do not give it to other people).
If you don't feel better or even feel worse, consult with your physician.
Coumadin Side Effects
Contact with your health care provider immediately if any of these severe side effects apply to you.
- harsh allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); stroke symptoms (e.g., confusion, slurred speech, vision problems, one-sided weakness); unusual bruising or bleeding (e.g., nosebleed, unusual bleeding from gums, increased bleeding from cuts, increased menstrual or vaginal bleeding, coughing up blood);unusual headache or weakness; pain caused by any part of your body; unusual or bloody stools; bloody or coffee ground-like vomit; pink or brown urine; chest pain; dizziness; decreased urination; fainting; fever; numbness or tingling; pain, unusual color, or temperature change in any area of the body or wounds or sores that do not heal properly; pale skin; purple, dark, or painful toes; shortness of breath; skin sores or ulcers; sudden severe pain in your legs, feet, or toes; trouble swallowing; unexplained swelling; unusual swelling, or discomfort.