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.
Stop eating popcorn, corn, beans, nuts, fruits with small seeds, tomatoes, and. celery. 1 day before your colonoscopy: Begin a clear liquid diet. Drink at least 8 glasses of water during the day to. avoid dehydration. (Refer to the table below to check which liquids and drinks. are allowed on a clear liquid diet).