Opioids
Metonitazene
Street names: Metonitazene, Nitazene analog
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Nitazene-class opioid — fentanyl-level or greater potency, long duration
⚠Key risks
- Drove 2021 US east-coast overdose waves; detected in 'dope' and counterfeit pills
- Standard drug screens miss it — hospitals often don't know what reversed them
- Naloxone works, repeat doses needed
- Class: 1950s Ciba compounds never approved for a reason
✚Overdose signs
- Respiratory depression
- Unresponsive, cyanosis
- Re-sedation after naloxone wears off
Category comparison — Opioids
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Metonitazene | Schedule I | Drove 2021 US east-coast overdose waves; detected in 'dope' and counterfeit pills; Standard drug screens miss it — hospitals often don't know what reversed them | Mixed into bags — no separate street price |
| Heroin | Schedule I | Extremely addictive — physical dependence in weeks; Overdose: breathing slows or stops | ~$10–$40 per bag |
| Fentanyl | Schedule II | Respiratory depression; Addiction in days | ~$20–$40 per counterfeit pill |
| Fentanyl HCl (powder) | Schedule II / analogue prosecutions | Lab-purity powder is far stronger than street mixes; Weighing errors are fatal | ~$60–$120/gram wholesale equivalent |
| Acetylfentanyl | Schedule I | ~5–15× weaker than fentanyl but still deadly at gram-level mistakes; Frequent cause of cluster overdoses | ~$25–$60/g where found |
| Furanylfentanyl (Fu-F) | Schedule I | Linked to hundreds of fatal overdoses 2016–2018; Potency similar to fentanyl | ~$20–$50/g |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does Metonitazene look like?
Yellow/tan/off-white powder, pressed pills
What are the signs of a Metonitazene overdose?
Respiratory depression; Unresponsive, cyanosis; Re-sedation after naloxone wears off Call emergency services immediately and give naloxone if available — it reverses opioid overdoses.
How addictive is it?
Drove 2021 US east-coast overdose waves; detected in 'dope' and counterfeit pills Dependence can develop with regular use.