The pleasure and pain of ‘chemsex’

Men who have sex with men while under the influence of illegal drugs is a growing problem that needs to become a public health priority, say sexual health experts.

Dubbed chemsex, the practice refers particularly to the use of mephedrone, gamma-hydroxybutyrate (GHB), gamma-butyrolactone (GBL) and crystallised methamphetamine, more commonly known as crystal meth.

These drugs are used in combination to