To protect young children from poisoning, always lock safety caps and immediately place the medication in a safe location — one that is up and away and out of their sight and reach.
In case of overdose, call the poison control helpline at If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at Carry an identification card or wear a bracelet stating that you take warfarin. Ask your pharmacist or doctor how to obtain this card or bracelet. List your name, medical problems, medications and dosages, and doctor's name and telephone number on the card.
Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription. It is important for you to keep a written list of all of the prescription and nonprescription over-the-counter medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements.
You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies. Warfarin pronounced as war' far in. Why is this medication prescribed? How should this medicine be used? Other uses for this medicine What special precautions should I follow? What special dietary instructions should I follow? What should I do if I forget a dose?
What side effects can this medication cause? What should I know about storage and disposal of this medication? Brand names. Talk to your doctor about the risk s of taking warfarin.
Other uses for this medicine. What special precautions should I follow? Before taking warfarin, tell your doctor and pharmacist if you are allergic to warfarin, any other medications, or any of the ingredients in warfarin tablets.
Ask your pharmacist or check the Medication Guide for a list of the ingredients. Some simple changes to decrease the risk of bleeding while taking warfarin include the following:. Changes in daily living can affect the INR. Warfarin is not recommended during pregnancy. A woman who becomes pregnant or plans to become pregnant while undergoing warfarin therapy should notify her healthcare provider immediately.
It is important to tell all your healthcare providers that you are taking warfarin. If you are having surgery, dental work, or other medical procedures, you may need to stop taking warfarin. Check with your healthcare provider if you expect to travel. While traveling, it is important to carry your medication with you at all times. Do not put medication into checked baggage. Patients who take warfarin should consult with their healthcare provider before taking any new medication, including over-the-counter nonprescription drugs, herbal medicines, vitamins or any other products.
Many medications can alter the effectiveness of warfarin, resulting in an INR that is either too high or too low. Some of the most common over-the-counter pain relievers, such as: ibuprofen brand name Advil and naproxen brand name Aleve , enhance the anticoagulant effects of warfarin and increase the likelihood of harmful bleeding.
Those who require long-term warfarin should wear a medical alert bracelet, necklace, or similar alert tag at all times. If an accident occurs and the person is too ill to communicate, a medical alert tag will help responders provide appropriate care.
The alert should include a list of major medical conditions and the reason warfarin is needed, as well as the name and phone number of an emergency contact. Your healthcare provider is the best source of information for questions and concerns related to your medical problem.
Because no 2 patients are exactly alike, and recommendations can vary from 1 person to another, it is important to seek guidance from a provider who is familiar with your individual condition. Written by American Heart Association editorial staff and reviewed by science and medicine advisers. See our editorial policies and staff.
About Arrhythmia. Why Arrhythmia Matters. Understand Your Risk for Arrhythmia. Symptoms, Diagnosis and Monitoring of Arrhythmia. How long you take this medication depends on your condition. If you skip or miss doses: Stopping or missing doses can cause complications, such as heart attack, stroke, or blood clots in your veins or lungs. If you take too much: Taking too much warfarin can lead to life-threatening bleeding.
Call your doctor or local poison control center or go to the nearest emergency room. What to do if you miss a dose: If you miss a dose, take it as soon as you can. This could result in dangerous side effects. How to tell if the drug is working: You may not feel any different if warfarin is working. However, you may notice reduced bleeding. Your doctor will do blood tests to see how well the drug is working. Warfarin tablets may be split during therapy.
A prescription for this medication is refillable. You should not need a new prescription for this medication to be refilled. Your doctor will write the number of refills authorized on your prescription. You must have regular blood tests and visits with your doctor to monitor your condition. Some foods and beverages can interact with warfarin and affect your treatment and dosage. While taking this drug, eat a normal, balanced diet, and talk to your healthcare provider before you make any diet changes.
These vegetables contain vitamin K. Also, certain vegetable oils also contain large amounts of vitamin K. Too much vitamin K can decrease the effect of warfarin. There are other drugs available to treat your condition. Some may be better suited for you than others. Talk to your doctor about other drug options that may work for you. Disclaimer: Healthline has made every effort to make certain that all information is factually correct, comprehensive, and up-to-date.
However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional.
You should always consult your doctor or other healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects.
The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.
Learn about side effects, warnings, dosage, and more. What is sinus rhythm? Learn how it differs from heart rate and what different rhythms could mean. You may be able to stop heart palpitations with a few simple lifestyle changes. Learn about 10 home remedies, as well as tips for keeping your heart…. Arrhythmia or any atypical heart rhythm can be potentially life threatening.
We explain the symptoms, diagnosis, and treatment of arrhythmia. Implantable pacemakers can be a valuable tool to keep your heart in rhythm. But it's also important to remember that warfarin can result in serious side effects. The same action of warfarin that prevents blood clotting can result in bleeding.
Warfarin treatment requires careful monitoring. Certain foods, medications, diet changes and illnesses can interfere with warfarin and increase your risk of bleeding. If your doctor prescribes warfarin for you, make sure you understand what the potential side effects are and how to help prevent them. The main side effect of warfarin is bleeding. While the risk of major bleeding is low, you need to be aware of potential problems. For example, you might have trouble stopping the bleeding from a cut on your hand or a nosebleed.
More-serious bleeding may occur inside the body internal. Rarely, warfarin can cause the death of skin tissue necrosis. This complication occurs within a few days of starting warfarin treatment. Seek immediate medical care if you notice any sores, changes in skin color or temperature, or severe pain on your skin. Some studies suggest that the risk of bleeding is generally higher in the first three months of warfarin treatment.
Older adults are generally at greater risk of bleeding. Taking other blood-thinning medication also increases your risk. Some people who take warfarin are at a higher risk of bleeding because their genetics make them more sensitive to the medication. Your doctor may recommend a genetic test to determine the best dose for you. Like any other medication, warfarin can interact with certain foods, drugs, vitamins or herbal supplements.
An interaction might lower the effectiveness of warfarin or increase your risk of bleeding. It's important to understand the role of vitamin K in warfarin treatment and a healthy diet. Warfarin works by disrupting the role of vitamin K in a complex series of molecular events that cause blood clotting.
But vitamin K is a nutrient essential for heart and bone health.
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