Risk communication about high-dose MDMA: Impact of a hypothetical drug alert on future MDMA use.

Introduction: Despite high-dose 3,4-methylenedioxymethamphetamine (MDMA) drug alerts being distributed, no research has been conducted as to changes in use in response. This study aimed to determine if: (i) high-dose MDMA drug alerts, and (ii) varied descriptions of dose, effects and actions to reduce harm were associated with intentions to reduce the initial MDMA dose in a hypothetical scenario.

Methods: Australians who used MDMA pills/capsules in the past year completed an online survey.