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Home > Chemsex, risk behaviours and sexually transmitted infections among men who have sex with men in Dublin, Ireland.

Glynn, Ronan W and Byrne, Niamh and O'Dea, Siobhan and Shanley, Adam and Codd, Mary and Keenan, Eamon and Ward, Mary and Igoe, Derval and Clarke, Susan (2017) Chemsex, risk behaviours and sexually transmitted infections among men who have sex with men in Dublin, Ireland. International Journal of Drug Policy, 52, pp. 9-15.

BACKGROUND: Drug use for or during sex ('chemsex') among MSM has caused concern, because of the direct effects of the drugs themselves, and because of an increased risk of transmission of sexually transmitted infections (STIs). This study aimed to assess the prevalence of chemsex, associated behaviours and STIs among attendees at Ireland's only MSM-specific sexual health clinic in Dublin over a six week period in 2016.

METHODS: The questionnaire collected demographic data, information on sexuality and sexual practice, self-reported history of treatment for STIs, and chemsex use. Key variables independently associated with treatment for STIs over the previous 12 months were identified using multivariable logistic regression.

RESULTS: The response rate was 90% (510/568). One in four (27%) reported engaging in chemsex within the previous 12 months. Half had taken ≥2 drugs on his last chemsex occasion. One in five (23%) reported that they/their partners had lost consciousness as a result of chemsex. Those engaging in chemsex were more likely to have had more sexual partners (p<0.001), more partners for anal intercourse (p<0.001) and to have had condomless anal intercourse (p=0.041). They were also more likely to report having been treated for gonorrhoea over the previous 12 months (adjusted OR 2.03, 95% CI 1.19-3.46, p=0.009). One in four (25%) reported that chemsex was impacting negatively on their lives and almost one third (31%) reported that they would like help or advice about chemsex.

CONCLUSION: These results support international evidence of a chemsex culture among a subset of MSM. They will be used to develop an effective response which simultaneously addresses addiction and sexual ill-health among MSM who experience harm/seek help as a consequence of engagement in chemsex.

 

Definition of chemsex (used for this study)  

Chemsex was defined as the use of drugs specifically for or during sex. The drugs included in this definition were ketamine, GHB/GBL, crystal meth, mephedrone, cocaine, NPS and other stimulants (including speed/amphetamine/ecstasy/eros/nexus/smiles). Alcohol, cannabis and poppers are generally excluded from definitions of chemsex, and they were not included in our definition (Knoops, Bakker, van Bodegom, & Zantkuijl, 2015).

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