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METHAMPHETAMINE, SILDENAFIL AND SEXUAL RISK BEHAVIOUR IN MEN WHO HAVE SEX WITH MEN
Methamphetamine and sildenafil (Viagra) use may be associated with sexual risk behaviour among men who have sex with men (MSM). Manserg et al investigated the association of methamphetamine, sildenafil, and other substance use with sexual practices. Data were from a cross-sectional, community-based survey of 388 MSM in San Francisco. Methamphetamine was used by 15% and sildenafil by 6% before or during their most recent anal sex encounter; 2% used both drugs. More than half (53%) reported unprotected insertive (29%) and receptive (37%) anal sex during their most recent anal sex encounter; 12% reported unprotected insertive and 17% reported unprotected receptive anal sex with an HIV-discordant or -unknown partner. …