Miralax Colonoscopy Preparation (Split Dose)

Purchase 4 (four) Dulcolax (Bisacodyl) tablets, 238 gram bottle of Miralax and a 64 ounce bottle of Gatorade at your pharmacy. Follow these instructions on the day prior to and the morning of the exam.

Step One

On the day of your appointment, someone must accompany you to the office or hospital.

Step Two

If you have a colostomy please bring an extra stoma bag. If you are diabetic, please check with your physician regarding insulin and oral diabetic medication regimen.

Step Three

If you require antibiotics before going to the dentist or for a heart murmur, valvular disease, or joint replacement, please inform us.

Day Before Your Colonoscopy

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  1. This morning start drinking, CLEAR LIQUIDS all day long. See list provided. You may have hard candy. No solid food.
  2. In the morning, mix the Miralax with the 64 ounces of Gatorade, shake well and refrigerate.
  3. At 3:00pm take 2 (two) Dulcolax (Bisacodyl) tablets with water.
  4. At 5:00pm complete two steps below:
    1. Start drinking the Miralax solution, until ½ the liquid is gone (4) 8oz glasses. One 8 ounce glass every ten minutes until ½ the solution is finished. Try to drink the solution quickly (ice and a straw may be helpful).
    2. Return remainder to refrigerator and maintain a CLEAR liquid diet until bedtime and drink at least 3 additional glasses of clear liquid before bedtime.
  5. At 7:00pm- Take (2) two Dulcolax (Bisacodyl) tablets. Drink at least 3 additional glasses of clear liquid before bedtime.
  6. Nothing to eat or drink after midnight EXCEPT for the instructions below.

Day of Your Colonoscopy

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Six (6) hours prior to your scheduled arrival time follow the directions below:

  1. Drink the remaining Miralax solution. (4) 8oz glasses
  2. You may have clear fluids up till 4 hours prior to your procedure.
  3. Nothing to eat or drink after that.

If your procedure is scheduled between 7am and 11am ONLY you will take the second prep dose at 10pm the night before.

If you experience severe pain or vomiting with the preparation, please call 845-471-9410. Nothing to eat or drink after midnight for procedures in the hospital. Please follow specific instructions for office procedures.

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