Able Imaging & Women's Center

Virtual Colonoscopy - Patient Preparation


4 Dulcolax laxative tablets (5mg each)
1 Bottle of Miralax 8.2 ounces (238g)
2 32 ounce Gatorade  (any flavor)
This can be purchased at any pharmacy over-the-counter without a prescription (cost approximately $15.00)
Able Imaging will supple the Gastrografin. This may be picked up at our office once you have made your appointment.


You may have a clear liquid breakfast. Clear liquids consist of: water, tea, coffee, strained fruit juice (no milk please) do not eat any solid food throughout the day.

Between 11 am and 1pm eat a clear liquid lunch. This would also include broth, jello, or popsicles.

3:00 pm take 2 dulcolax laxative tablets

5:00 pm mix ½ of miralax powder in 32oz gatorade.  Mix ½ (remaining) miralax powder in 2nd 32 ounce gatorade.  Drink mixture every 30 minutes until gone.not to exceed 3 hours
7:00 pm take 2 dulcolax laxative tablets

9:00 pm mix 30ml of gastrografin (supplied to you) with 8 ounces of water and drink mixture 

This solution will cause you to have repeated loose stools (diarrhea) which is the expected result. It typically works within 30 min. But may take as long as 3 hrs to have an effect. During the remainder of the evening, you may drink clear liquids if desired but do not eat solid foods until the procedure is completed the following day.

Do not exceed the recommended dosage as serious side effects can occur.


You should take your regular medications with water, unless otherwise instructed by your physician. If you have an afternoon procedure, you may have clear liquids until 10 am. If you are diabetic, take ½ your usual dose of insulin on the morning of the procedure. If you take a pill for diabetes, you may skip it on the morning of the procedure unless instructed otherwise. If you have any other questions regarding your medications please call your primary care physician.                                 

 A Virtual Colonoscopy is contraindicated in those with rectal bleeding, history of diverticulitis, Crohn's Disease, inflammatory bowel disease, ulcerative or other colitis or those who have had a recent colonoscopy with positive findings. 


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