WARFARIN SODIUM- warfarin sodium tablet 
Zydus Pharmaceuticals (USA) Inc.



Warfarin (WAR far in) Sodium Tablets, USP

Read this Medication Guide before you start taking warfarin sodium and each time you get a refill. There may be new information. This Medication Guide does not take the place of talking to your healthcare provider about your medical condition or treatment. You and your healthcare provider should talk about warfarin sodium when you start taking it and at regular checkups.

What is the most important information I should know about warfarin sodium? 

Warfarin sodium can cause bleeding which can be serious and sometimes lead to death. This is because warfarin sodium is a blood thinner medicine that lowers the chance of blood clots forming in your body.

   •   are 65 years of age or older

    •   have a history of stomach or intestinal bleeding

    •   have high blood pressure (hypertension)

    •   have a history of stroke, or "mini-stroke" (transient ischemic attack or TIA)

    •   have serious heart disease

    •   have a low blood count or cancer

    •   have had trauma, such as an accident or surgery

    •   have kidney problems

    •   take other medicines that increase your risk of bleeding, including:

        •   a medicine that contains heparin

        •   other medicines to prevent or treat blood clots

        •   nonsteroidal anti-inflammatory drugs (NSAIDs)

    •   take warfarin sodium for a long time. Warfarin sodium, USP is the active ingredient     in warfarin sodium.

Tell your healthcare provider if you take any of these medicines. Ask your healthcare provider if you are not sure if your medicine is one listed above.

Many other medicines can interact with warfarin sodium and affect the dose you need or increase warfarin sodium side effects. Do not change or stop any of your medicines or start any new medicines before you talk to your healthcare provider.

Do not take other medicines that contain warfarin sodium while taking warfarin sodium.

This blood test is called an INR test. The INR test checks to see how fast your blood clots. Your healthcare provider will decide what INR numbers are best for you. Your dose of warfarin sodium will be adjusted to keep your INR in a target range for you.

   •   Eat a normal, balanced diet. Talk to your healthcare provider before you make any diet changes. Do not eat large amounts of leafy, green vegetables. Leafy, green vegetables contain vitamin K. Certain vegetable oils also contain large amounts of vitamin K. Too much vitamin K can lower the effect of warfarin sodium.

See "What are the possible side effects of warfarin sodium?" for more information about side effects. 

What is warfarin sodium? 

Warfarin sodium is prescription medicine used to treat blood clots and to lower the chance of blood clots forming in your body. Blood clots can cause a stroke, heart attack, or other serious conditions if they form in the legs or lungs.

Who should not take warfarin sodium? 

Do not take warfarin sodium if:

What should I tell my healthcare provider before taking warfarin sodium?

Before you take warfarin sodium, tell your healthcare provider if you:

Tell all of your healthcare providers and dentists that you are taking warfarin sodium. They should talk to the healthcare provider who prescribed warfarin sodium for you before you have any surgery or dental procedure. Your warfarin sodium may need to be stopped for a short time or you may need your dose adjusted.

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Some of your other medicines may affect the way warfarin sodium works. Certain medicines may increase your risk of bleeding. See "What is the most important information I should know about warfarin sodium?"

Know the medicines you take. Keep a list of them to show your healthcare provider and pharmacist when you get a new medicine.

How should I take warfarin sodium?

    •   take too much warfarin sodium

    •   are sick with diarrhea, an infection, or have a fever

    •   fall or injure yourself, especially if you hit your head. Your healthcare  provider may need to check you.

What should I avoid while taking warfarin sodium? 

What are the possible side effects of warfarin sodium?

Warfarin sodium may cause serious side effects including:

Tell your healthcare provider if you have any side effect that bothers you or does not go away.

These are not all of the side effects of warfarin sodium. For more information, ask your healthcare provider or pharmacist.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

How should I store warfarin sodium?

Keep warfarin sodium and all medicines out of the reach of children. 

General information about warfarin sodium. 

Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. Do not use warfarin sodium for a condition for which it was not prescribed. Do not give warfarin sodium to other people, even if they have the same symptoms that you have. It may harm them.

This Medication Guide summarizes the most important information about warfarin sodium. If you would like more information, talk with your healthcare provider. You can ask your healthcare provider or pharmacist for information about warfarin sodium that is written for health professionals.

Please address medical inquiries to, (MedicalAffairs@zydususa.com) Tel.: 1-877-993-8779.

What are the ingredients in warfarin sodium, USP? 

Active ingredient: Warfarin Sodium, USP

Inactive ingredients: hydroxypropyl cellulose, lactose monohydrate, magnesium stearate and pregelatinized starch. Additionally each 1 mg tablet contains D&C red no. 6 barium lake, 2 mg tablet contains FD&C blue no. 2 aluminum lake and FD&C red no. 40 aluminum lake, 2.5 mg tablet contains D&C yellow no. 10 aluminum lake and FD&C blue no. 1 aluminum lake, 3 mg tablet contains FD&C yellow no. 6 aluminum lake, FD&C blue no. 2 aluminum lake and FD&C red no. 40 aluminum lake, 4 mg tablet contains FD&C blue no. 1 aluminum lake, 5 mg tablet contains FD&C yellow no. 6 aluminum lake, 6 mg tablet contains FD&C yellow no. 6 aluminum lake and FD&C blue no. 1 aluminum lake, 7.5 mg tablet contains D&C yellow no. 10 aluminum lake and FD&C yellow no.6 aluminum lake and 10 mg tablet is dye free

This Medication Guide has been approved by the U.S. Food and Drug Administration.

Revised: 11/2019
Zydus Pharmaceuticals (USA) Inc.