A new trend is emerging in gay nightlife: sex parties without drugs or alcohol. Organisers in Paris, Berlin and Amsterdam call them sober cruising or partouzes bio. The events are a direct response to chemsex, the use of drugs like crystal meth, GHB and mephedrone during sex. Health experts see the trend as a positive shift, but warn that the underlying risks of chemsex remain a serious public health issue.

What is chemsex and why is it a health concern?

Chemsex refers to sex under the influence of specific drugs. The most common are crystal methamphetamine, GHB/GBL and mephedrone. The practice is mainly seen among men who have sex with men. According to the European Centre for Disease Prevention and Control (ECDC), chemsex sessions can last for hours or even days. Users often combine drugs to stay awake and feel less inhibited.

The health risks are well documented. The Dutch HIV Association and Soa Aids Nederland link chemsex to higher rates of HIV, hepatitis C and other sexually transmitted infections. GHB overdoses can cause unconsciousness or death. Long-term use of crystal meth is linked to psychosis, depression and addiction. A 2022 study in the journal Sexually Transmitted Infections found that chemsex users have a significantly higher risk of contracting an STI than other men who have sex with men.

The rise of sober sex parties

Sober sex parties are not entirely new. But they are growing fast. Organisers in several European cities now host events with strict no-drug policies. Some venues check guests at the door. Others rely on community trust and clear rules in the invitation.

The idea is simple: pleasure without chemical assistance. Promoters say guests report better connection, clearer consent and less anxiety afterwards. Sex without drugs also means fewer blackouts and fewer regrets. For some men, sober events are a way to keep enjoying group sex while stepping away from chemsex culture.

Public health organisations welcome the trend. Mainline, a Dutch harm reduction group, has long argued that gay men need alternatives to chemsex spaces. The Aidsfonds notes that social pressure plays a big role in chemsex use. Sober events reduce that pressure by offering a clear alternative.

What the research says about quitting chemsex

Stopping chemsex is hard for many users. Research by the London-based clinic 56 Dean Street shows that men who use crystal meth often need professional support. The drug rewires the brain's reward system, linking sex and drugs tightly together. Many users say sober sex feels boring or impossible at first.

This is why community-based approaches matter. A 2023 review in the International Journal of Drug Policy found that peer-led programmes are among the most effective ways to help men reduce or stop chemsex. Sober sex parties fit into this approach. They show that pleasure is possible without drugs, and they create new social norms.

Still, experts warn against simple narratives. Sober events are not a cure for addiction. Men with serious chemsex problems usually need medical care, therapy and time. Organisations like Mainline, the Aidsfonds and the British charity Antidote offer counselling and harm reduction advice.

What about HIV and STI prevention?

Removing drugs from sex parties does not remove the need for HIV and STI prevention. Sober cruising still involves multiple partners and unprotected sex. Public health experts stress three key tools:

• PrEP: a daily or on-demand pill that prevents HIV infection. The RIVM reports that PrEP has helped drive down new HIV diagnoses in the Netherlands.
• Regular STI testing: every three months for men with multiple partners, according to Soa Aids Nederland.
• Condoms: still effective against HIV and many other STIs, including syphilis and gonorrhoea.

Doxy-PEP, an antibiotic taken after sex to prevent bacterial STIs, is also being studied. The WHO and several European health bodies are reviewing the evidence. Doxy-PEP is not yet standard care in the Netherlands, but specialists are watching the data closely.

What sober cruising means for the wider community

The trend signals a shift in how parts of the gay community think about sex and substance use. For years, chemsex was largely a hidden topic. Now it is openly discussed in clinics, community centres and media. Sober events make the conversation visible and practical.

Some critics argue that sober sex parties risk creating a new kind of moral hierarchy. They worry that men who still use drugs will feel judged or excluded. Harm reduction experts agree this is a real concern. Their advice: support both groups. Offer sober spaces for those who want them, and keep providing harm reduction services for those who do not.

Practical tips for readers

If you are thinking about your own use of drugs and sex, here are some steps backed by health organisations:

1. Talk to your GP or an STI clinic. Conversations are confidential.
2. Consider PrEP if you have multiple partners. Ask about access through your local HIV clinic.
3. Get tested for HIV and STIs every three months.
4. If you want to cut down on chemsex, contact Mainline, the Aidsfonds or a specialist clinic.
5. Try sober events if they appeal to you, but do not see them as a replacement for medical support.

Conclusion

Sober sex parties are a small but meaningful trend. They offer an alternative to chemsex and show that the gay community is actively responding to a serious health problem. Research backs the value of peer-led approaches. At the same time, prevention tools like PrEP, regular testing and harm reduction remain essential. The bottom line: less chemsex is good news for public health, but the work of preventing HIV, STIs and addiction is far from over.