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During a colonoscopy, your physician will examine the lining of your large intestine using a flexible tube attached to a camera called a colonoscope. If growths or other abnormalities are found, the physician may remove or biopsy these abnormal sites for further evaluation by a pathologist. Since you will be sedated, you must arrange for a responsible adult to drive you home.

Please closely follow the following steps:


  1. Miralax, 238 g bottle
  2. Dulcolax laxative, 4 tablets
  3. 64 oz. Gatorade or Crystal Light– do not buy red colored flavors
  4. Other assorted clear liquids
  5. Optional – for sore bottoms– Baby wipes, Desitin or A&D ointment

2 Days Prior to Colonoscopy:

  • Drink at least 8 large glasses of water throughout the day.
  • No solid foods after midnight.

1 Day Prior to Colonoscopy:

  1. Begin Clear liquid diet: Includes water, broth, coffee or tea without milk or creamer, Gatorade, soft drinks, juices, Jell-O
, or clear Ensure. Avoid red colored fluids or Jell-O.
  2. Drink at least 8 large glasses of water throughout the day.
  3. 3 pm: Take the 4 Dulcolax tablets with 8 oz. water. Thoroughly mix entire bottle of Miralax with 64 oz. of Gatorade or Crystal Light and refrigerate.
  4. 5-7pm – Drink 8 oz. of the Miralax/Gatorade solution every 15 minutes until finished.
  5. Expect frequent loose or watery stools for the next several hours. If you experience nausea or vomiting, take a 15- 30 minute break before continuing to drink the prep solution.
  6. Have nothing to eat or drink after midnight.

Procedure Day:

  1. You may take your essential morning medications with a sip of water unless otherwise directed by your physician.
  2. Arrive at least 1 hour prior to your scheduled procedure.