Colonoscopy Instructions for PEG (Polyethylene Glycol) Prep. Please follow the instructions below carefully. Should you need further assistance please call 715-531-6520 Monday-Friday 7am – 5pm. 1 Week Prior 3 Days Prior 2 Days Prior 1 Day Prior Procedure Day. GO to the pharmacy and fill your prescription for Polyethylene Glycol (PEG).
1 (238 gram) bottle of polyethylene glycol (MiraLAX ®). 64 ounces of any clear liquid that isn't red, purple, or orange. A sports drink like Gatorade ® or Powerade ® is a good choice. Sports drinks will help replace electrolytes that you will lose during the bowel preparation. If you have diabetes, be sure to get sugar-free clear liquids.
Common side effects may include:
MiraLAX (polyethylene glycol 3350): "I was prescribed PEG as a prep for a colonoscopy. The medicine made me throw up, and the procedure had to be rescheduled. The medicine made me throw up, and the procedure had to be rescheduled.
MORNING COLONOSCOPY (BEFORE 12 P.M.) If your colonoscopy is scheduled in the morning (before 9 a.m.): • STEP 1: At 8 p.m. the evening before the colonoscopy, begin drinking 8-ounce glasses of the preparation every 10 minutes for a total of 4 liters of the bowel prep solution. • Do not eat or drink anything 3 hours before your colonoscopy.
Polyethylene glycol 3350 (PEG) solutions represent the most frequently used forms of cleaning preparations for colonoscopy in Western countries. However, four liters of PEG with a balanced electrolyte solution (PEG-ELS) is often poorly tolerated due to the large volume and poor palatability.