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
📋Quick facts
Also known asWildnil, Elephant tranquilizer
CategoryOpioids
Schedule / classSchedule II (US) — veterinary only; analogues prosecuted
AppearanceWhite powder — 100× fentanyl, dosed in MICROGRAMS; occasionally found in heroin/fentanyl supplies
Street priceN/A — mass-casualty contaminant; found in seized street supplies
Legal statusSchedule II veterinary only; human possession = felony; analogue prosecutions automatic
Last updated2026-09-17
Sources: DEA, NIDA
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 |
| Fentanyl | Schedule II | Respiratory depression; Addiction in days | ~$20–$40 per counterfeit pill |
| Sufentanil | Schedule II | 5–10× fentanyl potency — microgram dosing errors are fatal; Found in street fentanyl supplies | N/A — hospital diversion only |
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.