High Plan & Chemsex: Definition, Drugs, Practices & French Gay Slang
Definition : A high plan, or 'chemsex,' is sex under the influence of drugs. The goal is to disinhibit, increase sensations, and prolong pleasure for hours, even days.
- Keywords
- high plan, chemsex, chems plan, hard play, Ghb, soft play, poppers, drugs, sex on drugs, party sex, chemsex risks, addiction, euphoria, heightened libido
- Topics
- Sexual Health & Prevention, Gay Sexual Preferences/Practices
- Updated

What is a High Plan or Chemsex?
A high plan, or ‘chemsex,’ is sex under the influence of drugs. The goal is to disinhibit, increase sensations, and prolong pleasure for hours, even days.
What drugs are used in Chemsex?
The drugs used are often synthetic products like 3-MMC, GBL, or mephedrone. They are generally consumed by injection, sniffing, or swallowing. These products cause strong euphoria, great self-confidence, and heightened libido.
Different intensities of chems plan can be distinguished:
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Hard play often involves substances like GHB, known for their powerful and disinhibiting effects.
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Soft play can include substances like poppers, which provide brief euphoria and muscle relaxation.
How is Chemsex practiced?
Chemsex is often practiced by several people, in apartments, during parties that can last a whole weekend. It’s an environment with its own codes, where drugs and sexual partners are shared without taboo.
What are the risks associated with Chemsex?
However, the high plan is far from harmless. The risks of overdose, heart problems, and addiction are very high. Sharing needles also exposes individuals to risks of infections like HIV or hepatitis.
Furthermore, under the influence of these products, people tend to take more risks and stop using condoms. ‘Blackouts’ (memory loss) are frequent, and it’s not uncommon to wake up without remembering what was done or with whom.
The consequences of Chemsex
Chemsex can quickly become a downward spiral. The comedown is often brutal, with phases of paranoia, anxiety, and depression. If you are tempted by the experience, be extremely careful. Inform yourself about the products, never consume alone, and try to maintain control. But the safest option is still to avoid it altogether.