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.
Dr. Hung Khong Dr. Khong. 2 doctors agreed: Yes: Before colonoscopy you have to drink plenty of laxatives to clense your bowel. Therefore, some of the liquid may still be in your colon even after the colonoscopy.