Colonoscopy Colonoscopy is an endoscopical investigation for large bowel related conditions including change of bowel habit. It is also the recommended procedure for colorectal cancer screening. Adequate bowel preparation before your colonoscopy appointment is critical for a complete colonoscopy procedure. Bowel preparation helps to clean your intestines so that the doctor can have a clear view during the examination of your colon. Polyethylene Glycol Electrolyte Solution (PEG) and PICOPREP are two medications commonly prescribed by doctors as part of the bowl preparation for colonoscopy. To read more about bowel preparation for patients prescribed with 2L or 3L PEG, please click the links below to download the respective pdfs:Preparations For Patients Prescribed with 2L or 3L PEG (8AM to 2PM)Preparations For Patients Prescribed with 2L or 3L PEG (2PM to 5PM) To read more about bowel preparation for patients prescribed with PICOPREP, please click the links below to download the respective pdfs:Preparations For Patients Prescribed with PICOPREP (8AM to 2PM)Preparations For Patients Prescribed with PICOPREP (2PM to 5PM)