Patients (and addicts) state there is a particular euphoria that oxycodone has (and diamorph/heroin) that morphine doesn't really have. Of course oral morphine

Patients (and addicts) state there is a particular euphoria that oxycodone has (and diamorph/heroin) that morphine doesn't really have. Of course oral morphine does cause addiction, but oxycodone just seems to have greatly increased rates.