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.
DAY BEFORE YOUR COLONOSCOPY Follow the instructions below the day prior to your procedure: 1. After a light breakfast such as one egg and one piece of white toast, a clear liquid diet should be started. (see below) 2. Take 2 Dulcolax tablets mid-morning 3. Have a clear liquid lunch.