Practical, high-utility links for the US, the UK and Europe. If a number or service here is out of date, tell us.
In an emergency, call
- United States and Canada: 911
- United Kingdom and Ireland: 999 (or 112)
- Europe: 112 (works across the EU)
🚨 Do not wait
If someone is overheating, confused, having a seizure, will not wake up, or you are scared, call the number for your country now and say exactly what was taken. Most serious outcomes come down to a delay in getting help, not the drug itself.
Drug checking and test kits
- DanceSafe (US) - reagent kits, fentanyl test strips, and clear guides on what each can and cannot detect.
- The Loop (UK) - drug-checking at festivals and in some city centres.
- EU drug-checking overview (EUDA) (Europe) - the EU overview of where drug-checking services operate.
Crisis and mental-health support
- US: 988 Suicide & Crisis Lifeline - call or text 988. SAMHSA National Helpline - 1-800-662-HELP (4357), free and confidential.
- UK: Samaritans - call 116 123, any time. Mind - information and support.
- Europe: Find a helpline - a directory of free, confidential lines by country.
Data and reference
- DanceSafe (US) - harm-reduction facts, dosing and safety guidance.
- SAMHSA (US) - the federal substance-use and mental-health agency.
- European Union Drugs Agency (EU) - drug strength, adulterants and the current European picture.
Keep it on you
- Pocket card - a one-screen quick reference you can save to your phone or print.
Information, not medical advice. Threshold does not promote or encourage MDMA use. This exists so that people who make their own choices can make safer, better-informed ones. It is not a substitute for professional care.