Methamphetamine is the most commonly reported drug in sexualized drug use among men who have sex with men (2).Chemsex (1, 2) and methamphetamine use (3, 4) are associated with sexual health-related harms among men who have sex with men.What are effective interventions and/or services that address chemsex and methamphetamine use among men who have sex with men (including prevention, harm reduction, engagement in care and treatment)?.What is the impact of sexualized drug use (specifically of chemsex and methamphetamine) on the health of men who have sex with men?.