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Colyte Prep for Morning Procedure

The GI Associates of New Hampshire office will fax a prescription for colyte (also known as Golytely or Nulytely) to your pharmacy. You need to pick up your colyte from your pharmacy at least two days before your scheduled procedure. If your colyte is not available for pick up at your pharmacy, call GI Associates (Concord Endoscopy Center).

You also need to purchase biscodyl (Dulcolax) laxative tablets. You will need to take two tables. Do not buy the stool softener tablets or suppositories; it must be the laxative tablets!

If you have a tendency to be constipated, also purchase Milk of Magnesia. You may use zinc oxide or Desitin® ointment to protect your skin during the bowel preparation.

Two days before your procedure

  • Stay on a low fiber diet. Do not eat any beans, corn, tomatoes, cucumbers, nuts, or any food containing seeds such as poppy, sesame, or sunflower. Do not eat any foods containing flax.
  • If you tend to be constipated, take one ounce (two tablespoons) of Milk of Magnesia on this day.

One day before your procedure

  • Stay on the clear liquid diet. No solid food. No red Jell-O®.
  • DO NOT FOLLOW THE DIRECTIONS ON THE COLYTE BOTTLE. Follow these instructions instead:
    1. Mix the Colyte according to the package directions and refrigerate. It tastes better cold. You may add your favorite flavor of Crystal Light® to the solution for flavor if desired.
    2. At 4:00 pm take two Ducolax® laxative tablets with a large glass of water.
    3. At 5:00 pm, drink half of the colyte solution. Drink one eight-ounce glass every 10 to 15 minutes.
    4. At 7:00 pm, drink the other half of the colyte solution until it is gone.
  • Be sure to drink all of the solution. Not completing the bowel prep may result in rescheduling your procedure. By the morning you should be having greenish yellow to clear liquid bowel movements.

On the day of your procedure

  • Remember: no solid food before your procedure. Stay on the clear liquid diet up until two hours before your scheduled procedure, then nothing by mouth two hours before your exam.
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