Hazardous Substances
Benzo-Dope (Fentanyl + Benzodiazepine)
Street names: Benzo dope, Benzofentanyl, Down (Canada)
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Opioid nod plus benzo blackout — users pass out fast and long
⚠Key risks
- Naloxone reverses the fentanyl but NOT the benzo — people stay unconscious after Narcan
- Overdose deaths resist standard rescue
- Withdrawal is double: opioid + benzo (seizure risk)
✚Overdose signs
- Unresponsive even after naloxone
- Slow breathing
- Blue lips, snoring sounds
Category comparison — Hazardous Substances
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Benzo-Dope (Fentanyl + Benzodiazepine) | Combination of controlled substances | Naloxone reverses the fentanyl but NOT the benzo — people stay unconscious after Narcan; Overdose deaths resist standard rescue | ~$40–$100/g equivalent in Canadian street supply |
| Potassium Cyanide (KCN) | Not a drug — regulated toxic chemical | Lethal dose ~200–300 mg — death within minutes to an hour; No antidote available outside hospital; hydrogen cyanide gas from acid contact | N/A — sometimes sold fraudulently as 'peaceful exit' scams |
| Air Duster (Computer Duster / Canned Air) | Household product — not a drug; no age restriction on purchase | SUDDEN SNIFFING DEATH — the most deadly inhalant: difluoroethane sensitizes the heart to adrenaline; a sudden fright, chase, or exertion triggers fatal cardiac arrest. First-time users die; Frostbite to lungs and airway from direct spray | $3–$8 per can at any electronics/office store |
| Gasoline / Petrol Huffing | Not a drug — fuel product | Extremely toxic hydrocarbons (benzene, toluene, xylene); Sudden sniffing death — cardiac arrest | Effectively free — siphoned fuel |
| Glue / Solvent Sniffing | Not drugs — adhesives and solvents | The CLASSIC youth inhalant — peak use age 14–15; Sudden sniffing death from cardiac arrest | $1–$5 per tube/can — pocket money prices |
| Refrigerant / Freon Huffing | Not a drug — HVAC refrigerant | EXTREMELY dangerous — refrigerant gases (difluoroethane, tetrafluoroethane) cause sudden cardiac death at high rates; Frostbite to airways | Stolen/siphoned — no price, high death cost |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does Benzo-Dope (Fentanyl + Benzodiazepine) look like?
Purple, pink or greenish fentanyl powder containing etizolam or other benzos — the dominant 'down' in parts of Canada
What are the signs of a Benzo-Dope (Fentanyl + Benzodiazepine) overdose?
Unresponsive even after naloxone; Slow breathing; Blue lips, snoring sounds Call emergency services immediately.
How addictive is it?
Naloxone reverses the fentanyl but NOT the benzo — people stay unconscious after Narcan Dependence can develop with regular use.
🔗Sources & further reading
Facts on this page are compiled from these primary sources. External links open in a new tab.