Opioids
Carfentanil
Street names: Wildnil, Elephant tranquilizer
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Fentanyl-family opioid sedation — intended for large-animal anesthesia ONLY
⚠Key risks
- 10,000× morphine potency — 1–2 mg (a few granules) can be fatal to humans
- Found mixed into street heroin/cocaine — mass-overdose clusters
- Skin absorption risk — handling powder can poison responders
- Naloxone works but MASSIVE/REPEATED doses needed (10+ sprays)
- No human medical use exists
✚Overdose signs
- Instant respiratory arrest
- Pinpoint pupils
- Cyanosis (blue/gray skin)
- Death within minutes
Category comparison — Opioids
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Carfentanil | Schedule II | 10,000× morphine potency — 1–2 mg (a few granules) can be fatal to humans; Found mixed into street heroin/cocaine — mass-overdose clusters | N/A — mass-casualty contaminant |
| 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 Carfentanil look like?
White powder — 100× fentanyl, dosed in MICROGRAMS; occasionally found in heroin/fentanyl supplies
What are the signs of a Carfentanil overdose?
Instant respiratory arrest; Pinpoint pupils; Cyanosis (blue/gray skin) Call emergency services immediately and give naloxone if available — it reverses opioid overdoses.
How addictive is it?
10,000× morphine potency — 1–2 mg (a few granules) can be fatal to humans Dependence can develop with regular use.