Fig. 2From: The pattern of substance use disorder in the United Arab Emirates in 2015: results of a National Rehabilitation Centre cohort studyThe combinations of the substances consumed by poly-substance users were stratified according to age groups. Opioid users include patients that use pharmaceutical (Tramadol, Codeine) and illicit (Heroin, Morphine) compounds*. The “Others” category refers to the misuse of Pregabalin, Procyclidine, and/or Carisoprodol Back to article page