1 day prior to the procedure:
You should avoid solids. If you are prescribed Dulcolax & Miralax you should not eat anything for breakfast, lunch, or dinner except for clear liquids one day prior to the procedure. For other preparations, such as Suprep, Plenvu, PEG-3350, Golytely, and Gavilyte, you may have a light breakfast such as toast, cereal, and oatmeal one day prior to the procedure. You should have clear liquids for the rest of the day. A clear liquid is a liquid you can hold up to the light and see through. Some examples include water, clear broth, ices, gelatin, coffee or tea without milk, apple juice, jell-O, and Gatorade. Avoid red and/or purple colored jell-O and Gatorade. Do not drink or eat anything red or purple.
Day of the procedure:
If you have a morning procedure, do not eat or drink anything including water before the procedure. If your procedure is in the afternoon, you may have clear liquids up until 2 hours prior to the procedure.