Examples include heroin, hydrocodone, and hydromorphone. Fully synthetic opioids are not derived from an opiate but still bind the opioid receptor. Examples include fentanyl and methadone [2]. Opioids are often used medically for pain relief but are also used non-medically for their psychoactive and euphoric effects.
A clear liquid diet on the day before your colonoscopy helps clear out your intestines, as well as helping to maintain your hydration.
There should NOT be anything large or solid. Also make sure to drink of all the bowel prep. After your bowel prep is complete, you can still drink some clear liquids. Please keep in mind that you CANNOT eat or drink anything for 6 hours before your colonoscopy.The reason has nothing to do with your colonoscopy but rather the anesthesia.here should NOT be anything large or solid. Also make sure to drink of all the bowel prep. After your bowel prep is complete, you can still drink some clear liquids. Please keep in mind that you CANNOT eat or drink anything for 6 hours before your colonoscopy.