Opioids
Sufentanil
Street names: Sufenta
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Fentanyl-family opioid effects at extreme potency
- Surgical anesthesia at clinical doses
⚠Key risks
- 5–10× fentanyl potency — microgram dosing errors are fatal
- Found in street fentanyl supplies
- No field antidote beyond immediate naloxone + hospital care
✚Overdose signs
- Instant respiratory arrest
- Pinpoint pupils
- Cyanosis
Category comparison — Opioids
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Sufentanil | Schedule II | 5–10× fentanyl potency — microgram dosing errors are fatal; Found in street fentanyl supplies | N/A — hospital diversion only |
| 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 Sufentanil look like?
Clear ampoules (5–50 mcg/mL), hospital-only packaging
What are the signs of a Sufentanil overdose?
Instant respiratory arrest; Pinpoint pupils; Cyanosis Call emergency services immediately and give naloxone if available — it reverses opioid overdoses.
How addictive is it?
5–10× fentanyl potency — microgram dosing errors are fatal Dependence can develop with regular use.