Colonoscopy Preparation A colonoscopy can be performed in a medical center, clinic, or in a doctor`s office, with respect to the facility. The individual will be given an appointment and a couple of guidelines to follow prior to the test is performed. Although the precise instructions given may vary from clinic to clinic, their objective is the same: to completely clean out the contents of the bowel before the test http://www.silagra-rx.com/impotence-treatment.html . This allows the bowel wall structure to be seen during the test. This system of cleaning the bowel is named bowel preparation or ‘prep often.’ The patient shall be given a combination of liquid diet, laxatives, or enemas for two times to the check with instructions on how to use them prior.