warfarin
Used for Heart Attack
NowPatient helps you obtain your warfarin prescription for free or at low-cost. Drug savings programs are suitable for individuals who are insured, don't have insurance or are underinsured and can't afford your medicine.
Manufactured by various FDA-approved generic manufacturers.
*You can pay as little as $0 per fill using Drug Coupons or Patient Assistance Programs. Subject to applicability & eligibility requirements.
This content is intended for US audiences only
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Lower the cost of your warfarin prescription
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warfarin key facts
What dosages is warfarin available in?
warfarin is available as a 1 mg, 2 mg, 2.5 mg, 3 mg, 4 mg, 5 mg, 6 mg, 7.5 mg, and 10 mg oral tablet.
What is warfarin used for?
warfarin is a vitamin K antagonist used for prevention and treatment blood clots in the veins, prevention and treatment blood clots linked to atrial fibrillation (AFib) or heart valve replacement, prevention of more blood clots and to lower risk of death after a heart attack.
How does warfarin work?
warfarin is a blood thinner. It’s also known as a vitamin K antagonist, meaning it stops vitamin K from working properly. Your body typically uses vitamin K to make blood clots. warfarin prevents blood clots from forming by blocking vitamin K.
How do I take warfarin?
warfarin is typically taken by mouth once daily. Your provider will adjust the dose based on your international normalized ratio (INR). The usual maintenance dose of warfarin ranges from 2 mg to 10 mg once daily.
Is it safe for me to take warfarin?
warfarin is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication if you are pregnant, have hemorrhagic tendencies or blood dyscrasias, recent or contemplated surgery, bleeding tendencies associated with active ulceration or overt bleeding, threatened abortion, eclampsia and preeclampsia. Inadequate laboratory facilities, are unsupervised with senility, alcoholism, or psychosis or other lack of patient cooperation, had a spinal puncture and other diagnostic or therapeutic procedures with potential for
uncontrollable bleeding, or major regional, lumbar block anesthesia, malignant hypertension and known hypersensitivity to warfarin or to any other components of this product.
warfarin Common Side Effects
Common side effects of warfarin include:
- Bleeding
- Bruising
- Rash
- Nausea
- Vomiting
- Diarrhea
- Chills
- Itching
warfarin Serious Side Effects
Serious side effects are rare with warfarin. Contact your healthcare provider immediately if you experience any of the following. Severe bleeding: feeling faint, lightheaded, dizziness, vomiting blood, bloody or dark-colored stools, severe stomach pain or discomfort Calcium build-up in the blood vessels (calciphylaxis): skin discoloration, skin sores, painful lumps in the skin, skin infections Skin or tissue death and gangrene: skin discoloration (especially darkened skin color), swelling, blisters, sudden and severe pain in skin, numbness
Effects of other drugs, drug classes and over-the-counter products on warfarin
The following medications may interact with warfarin:
- Drugs that affect bleeding or clotting
Who makes warfarin?
Various FDA-approved generic manufacturers
Is warfarin safe in pregnancy?
warfarin should not be taken if you are pregnant or suspect you are pregnant.
The FDA's medical product safety reporting program for health professionals, patients and consumers.
Learn more about reporting side effects in the USDrug Savings Guide
A practical guide to saving money and receiving support with prescription costs
How can NowPatient help me to lower the cost of my warfarin prescription?
After you create a FREE account with NowPatient, you will have access to 4 programs that can help lower the cost of your warfarin prescription
Applicability to each program will be dependent on your insurance status.
How do the NowPatient warfarin savings programs work?
After you have created your FREE account with NowPatient, you can access the various programs from your account dashboard. Each program has clear instructions on how to check your eligibility. You can see how the process works by clicking on the feature link below and seeing the ‘How it works’ steps.
Drug Coupon and Patient Assistance Programs require an eligibility quiz to be completed.
Are the NowPatient warfarin savings programs suitable for everyone, regardless of insurance status?
No. Each program has its own eligibility and applicability requirements. The table below shows if a program is available to you, based on your insurance status.
| Rx Advantage Card* for warfarin | Canadian Prescription Savings* for warfarin | warfarin Drug Coupon* | warfarin Patient Assistance Program* | |
| Insured (federal, state or government) | Available | Available | Not Available | Available If Offered by Pharmaceutical Company |
| Insured (Commercial or Private) | Available | Available | Available If Offered by Pharmaceutical Company | Available If Offered by Pharmaceutical Company |
| Uninsured | Available | Available | Not Available | Available If Offered by Pharmaceutical Company |
| Insured but without pharmacy benefit or drug coverage | Available | Available | Not Available | Available If Offered by Pharmaceutical Company |
*This is not insurance.
Are the NowPatient drug savings programs suitable for brand and generic versions of warfarin?
No. Each program has applicability requirements. Please see below
| Rx Advantage Card* for warfarin | Canadian Prescription Savings* for warfarin | warfarin Drug Coupon* | warfarin Patient Assistance Program* | |
| Brand | Yes | Yes | Yes, If Offered by Pharmaceutical Company | Yes, If Offered by Pharmaceutical Company |
| Generic | Yes | Yes | No | No |
*This is not insurance.
If you have Medicare Part D or Medicare Advantage and none of the warfarin savings options are applicable or affordable for me, what can you do?
If you are insured with Medicare and the warfarin drug savings options are not applicable to you and still remain unaffordable, then you can check Medicaid eligibility in your state by following the instructions at HealthCare.gov.
The government site is easy to use and after you have selected your state, it will navigate you to the appropriate contact point to make the application. State Medicaid programs may cover the full cost of your medication.
People who qualify for both Medicare and Medicaid are called ‘dual eligibles’.
If you are denied Medicaid for warfarin, and you are still unable to afford your copay or co-insurance element (for example if you are in the coverage gap or Donut Hole) then you may be eligible for a federal support program like Low Income Subsidy. To be eligible for Low Income Subsidy, you need to be a resident in one of the 50 States or the District of Columbia. You can check eligibility online at SSA Medicare D Extra Help. You can also call Social Security at 1-800-772-1213 (TTY 1-800-325-0778).
I am uninsured or underinsured and none of the warfarin prescription saving options are applicable or affordable for me, what can I do?
If you are uninsured or underinsured (for example, warfarin is not covered by your plan) and the drug savings options are not applicable or still unaffordable, then you can check Medicaid eligibility in your state by following the instructions at HealthCare.gov.
The government site is easy to use and you can select your state and it will navigate you to the appropriate contact point to make the application. State Medicaid programs may cover the full cost of your medication.
If you are denied and all else fails, and if you have been prescribed warfarin for an FDA-approved indication, you can call the pharmaceutical company to see if they have any other assistance programs.
I am commercially or privately insured and none of the warfarin prescription saving options are applicable or affordable for me, what can I do?
If your medication is not covered by your plan, you can appeal your insurance company’s decision. Sometimes, a formal appeal can result in the drug being covered if it is deemed medically necessary.
If you cannot afford your copay contribution, then you can check Medicaid eligibility in your state by following the instructions at HealthCare.gov.
However, being privately insured might complicate your eligibility for Medicaid, as having private insurance may be considered in the financial eligibility assessment.
The government site is easy to use and you can select your state and it will navigate you to the appropriate contact point to make the application. If you qualify, state Medicaid may cover the full cost of your medication.
If I have federal, state or commercial insurance and none of the warfarin prescription saving options are applicable or affordable for me, are there any other support organisations that can help me with my co-insurance or copay contributions?
If you have already tried Medicaid and received a denial letter or if you are insured with Medicare and have been denied Low-Income Subsidy, then you can try one of the following organizational support programs:
1. Patient Access Network Foundation (PAN) assistance for warfarin
If you are having trouble paying for your warfarin medication due to unaffordable copays or deductibles, the Patient Access Network Foundation (PAN), may be able to assist you. To qualify for PAN assistance for warfarin you will need to meet one or all of the following criteria:
- Your income is below 400% of the federal poverty level
- warfarin is prescribed for an approved FDA indication
- You live in and receive treatment in the United States or U.S. territories, even if you do not have U.S. citizenship
- You have Medicare insurance coverage that covers warfarin
- If warfarin is listed on PAN’s list of covered medications
You can check the Patient Access Network Foundation Website for more information.
2. HealthWell Foundation Copay Program for warfarin
If you are having trouble paying for your warfarin medication due to unaffordable copays or deductibles, the HealthWell Foundation Copay Program may be able to assist you. To qualify for assistance for warfarin you will need to meet the following criteria:
- You live in and are being treated in the United States
- You are insured and your plan covers warfarin
- If warfarin is listed on the HealthWell Foundation’s list of covered medications
You can check the HealthWell Foundation Website for more information.
3. Patient Advocate Foundation Co-Pay Relief Program for warfarin
Patient Advocate Foundation’s Co-Pay Relief program exists to help reduce the financial distress you or your family may face when paying for your warfarin treatment. If you qualify and can demonstrate the need, the foundation will provide you with direct payment covering co-pays, co-insurance, and deductibles. To qualify for assistance for warfarin you will need to meet the following criteria:
- You must be currently insured and have coverage for warfarin
- You must have a confirmed diagnosis and treatment plan
- You must reside and receive treatment in the United States
- Your Income must fall at or below 300% or 400% of the Federal Poverty Guideline (FPG) with consideration for the Cost of Living Index (COLI) and number in the household
- Applications can also be completed by contacting the program sponsor, toll-free at 866-512-3861.
You can check the Patient Advocate Foundation Website for more information.
Medical Disclaimer
NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.
The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.
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