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You must stop all of these medications FIVE DAYS before your procedure

These products may cause an increased chance of bleeding if biopsies or polyps need to be removed.

  • Aspirin
  • Any medications that contain Aspirin such as Excedrin
  • Any over the counter pain medications (NSAIDS) that contain Ibuprofen, such as Motrin, Advil
  • Naprosyn or Naproxen (Aleve)
  • Vitamin E and any over the counter vitamins with iron

You must stop arthritis medications THREE DAYS before your procedure

If this will pose a problem for you, please call the GI Associates office at

You may take Tylenol products as indicated by the package labeling.

Plavix, Coumadin, or any other blood thinning medications

  • Your primary care physician will be consulted and your blood thinning medications will need to be stopped five days before your exam. Call GI Associates of NH for specific instructions.
  • If you take Coumadin you will need to have an INR performed the day before your exam before 1:00PM.

Medications for blood pressure or heart

Continue taking your medications as prescribed unless it contains a diuretic.

  • Take them on the morning of your procedure if that is your normal time to take your heart and/or blood pressure medicines.
  • DIURETICS (or "water pills") can make you very dehydrated and affect you blood pressure and electrolytes while you are doing the bowel preparation.
  • Stop taking your "water pills" or blood pressure medications that contain a diuretic the day before your exam, and do not take any the day of your exam.

View these instructions as a printable PDF

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