Harm Reduction
Detailed, evidence-based harm reduction information for substance use. This page is for educational and safety purposes only. Always verify with reputable health and crisis resources.
General Principles
- Test your substances with reagent kits (e.g. from DanceSafe, Bunk Police) to reduce risk of mis-sold or cut products.
- Start low, go slow. Use the lowest effective dose and wait before redosing.
- Set and setting: safe environment and stable mental state reduce harm.
- Don’t mix depressants (e.g. alcohol, benzos, opioids) without understanding risks; mixing increases overdose risk.
- Naloxone: if opioids are in your environment, keep naloxone and know how to use it.
Alcohol
Depressant. Risks: dependence, liver damage, accidents, dangerous interactions with other depressants (benzos, opioids, GHB). Harm reduction: pace drinks, eat, stay hydrated, avoid driving. Do not mix with other CNS depressants.
Cannabis
Psychoactive; THC and CBD. Risks: anxiety/paranoia at high doses, impaired driving, possible dependence with heavy use. Harm reduction: start with small amounts, avoid driving, be aware of strength (edibles can be delayed and strong).
MDMA / Ecstasy
Stimulant/entactogen. Risks: overheating, dehydration/overhydration, serotonin syndrome if mixed with other serotonergic drugs, neurotoxicity with high or frequent use. Harm reduction: test with reagents (Marquis, etc.), dose typically 80–120 mg, rehydrate with water (but not excessive), take breaks, avoid mixing with SSRIs or other stimulants.
Cocaine
Stimulant. Risks: cardiovascular strain, dependence, nasal damage from insufflation, dangerous interaction with alcohol. Harm reduction: avoid mixing with alcohol (cocaethylene risk), use small amounts, avoid redosing heavily. Testing can help identify cuts (e.g. levamisole, local anesthetics).
Opioids (e.g. Heroin, Fentanyl, Prescription)
Depressants. High overdose risk, especially with fentanyl and unknown potency. Harm reduction: never use alone; have naloxone and someone who can administer it; start with a tiny test dose if source or strength is unknown; avoid mixing with benzos or alcohol. Fentanyl test strips can help detect presence (not amount).
CDC – Naloxone, Harm Reduction Coalition – Overdose Prevention, SAMHSA – MAT
Benzodiazepines
Depressants (e.g. alprazolam, clonazepam, diazepam). Risks: dependence, withdrawal can be dangerous; mixing with alcohol or opioids greatly increases overdose risk. Harm reduction: use only as needed at lowest dose; do not mix with other depressants; avoid driving; taper under guidance if stopping long-term use.
NIDA – Prescription CNS Depressants, TripSit – Benzodiazepines
LSD & Other Psychedelics
Psychedelics can cause intense experiences. Risks: bad trips, accidents, HPPD in rare cases. Harm reduction: know your dose; safe, familiar setting; sober sitter if possible; avoid driving until fully sober; avoid mixing with other substances. Reagent testing can help confirm substance (e.g. Ehrlich for indoles).
Stimulants (Amphetamine, Methamphetamine)
Risks: cardiovascular strain, sleep loss, dependence, psychosis with heavy use. Harm reduction: stay hydrated, eat, rest; avoid binges; do not mix with other stimulants or MAOIs. Testing can help identify adulterants.
Crisis & Support Resources
- Overdose / emergency: call local emergency number (e.g. 911 in US). Naloxone can reverse opioid overdose.
- SAMHSA National Helpline (US) – treatment referral and information.
- Find a Helpline – international crisis and support lines.
- Get Naloxone Now – overdose response training.
- DanceSafe – testing and harm reduction education.
- Erowid – substance information and experience reports.
- TripSit – wiki and support chat.
This information is for harm reduction and education only. It is not medical or legal advice. Always rely on official health services and reputable organizations for current guidance.
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