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Dabigatran (By mouth)

Dabigatran Etexilate (da-bye-GAT-ran e-TEX-i-late)

Prevents stroke and blood clots in patients who have atrial fibrillation. This medicine is an anticoagulant (blood thinner).

Brand Name(s):


There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

This medicine is not right for everyone. Do not use it if you had an allergic reaction to dabigatran.

How to Use This Medicine:


  • Take your medicine as directed.
  • This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.
  • Swallow the capsule whole. Do not crush, break, or chew.
  • Missed dose: Take the missed dose as soon as you remember. If your next dose is less then 6 hours away, skip the missed dose and go back to your regular dosing schedule. Do not take extra medicine to make up for a missed dose.
  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep this medicine in the original container. Do not store this medicine in pill boxes or organizers. Open only 1 bottle of this medicine at a time.
  • Use each bottle of this medicine within 4 months after it is opened.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Some drugs can affect how dabigatran works. Tell your doctor if you are also using any of the following:
    • Dronedarone
    • Ketoconazole
    • Rifampin
    • An NSAID pain or arthritis medicine (aspirin, diclofenac, ibuprofen, naproxen, celecoxib)

Warnings While Using This Medicine:

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, a prosthetic heart valve, or a history of bleeding problems.
  • This medicine may cause the following problems:
    • Higher risk of bleeding (severe bleeding could be life-threatening)
  • This medicine can cause you to bleed and bruise more easily. Take precautions to avoid injury. Brush and floss your teeth gently, do not play rough sports, and be careful with sharp objects.
  • Do not stop using this medicine without asking your doctor. You have a higher risk of stroke if you suddenly stop using this medicine.
  • Tell any doctor or dentist who treats you that you are using this medicine. You may need to stop using this medicine several days before you have surgery or medical tests.
  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Coughing up or vomiting blood or material that looks like coffee grounds
  • Joint pain or swelling
  • Lightheadedness, dizziness, headache
  • Red or black, tarry stools
  • Red, brown, or pink urine
  • Unusual bleeding, bruising, or weakness

If you notice these less serious side effects, talk with your doctor:

  • Stomach pain, nausea, heartburn, indigestion

If you notice other side effects that you think are caused by this medicine, tell your doctor

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

Last Updated: 4/4/2014

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