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Warfarin Oral Tablet (WARFARIN - ORAL)

This medicine is used for the following purposes:

  • prevent blood clots
  • treatment of blood clots

Brand Name(s): Coumadin, Jantoven

Generic Name: Warfarin

Instructions

This medicine may be taken with or without food.

This medicine will work best if you take it at about the same time every day.

Keep the medicine at room temperature. Avoid heat and direct light.

It is important that you keep taking each dose of this medicine on time even if you are feeling well.

If you forget to take a dose on time, take it as soon as you remember. If you don't remember until the next day, please call your doctor for instructions.

Never take a double dose or skip a dose unless your provider tells you to do so.

Tell your doctor and pharmacist about all your medicines. Include prescription and over-the-counter medicines, vitamins, and herbal medicines.

Cautions

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

Do not use the medication any more than instructed.

Contact your doctor if you notice a change in the amount or darkening of your urine.

Tell the doctor or pharmacist if you are pregnant, planning to be pregnant, or breastfeeding.

Women who are pregnant or in their childbearing years should not touch or handle this medicine. This medicine can be absorbed through the woman's skin and harm the unborn baby.

Call your doctor right away if you notice any unusual bleeding or bruising.

Do not share this medicine with anyone who has not been prescribed this medicine.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

  • liver problems
  • nausea
  • red, burning, or itchy skin
  • stomach upset or abdominal pain

Call your doctor or get medical help right away if you notice any of these more serious side effects:

  • loss of balance
  • bleeding or bruising
  • chest pain
  • coughing up blood or vomit that looks like coffee grounds
  • dizziness
  • fainting
  • severe or persistent headache
  • sudden leg pain, swelling, warmth or redness
  • signs of liver damage (such as yellowing of eye or skin, dark urine, or unusual tiredness)
  • pale or blue skin, lips or fingernails
  • bloody or dark, tarry stools
  • light colored stool
  • symptoms of stroke (such as one-sided weakness, slurred speech, confusion)
  • blood in urine

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.