Overdose or emergency? Call now Hotlines · US 911 · UK 999 · EU 112 · AU 000 · IN 112 · 988 (US crisis) Hotlines
E
Opioids

Etonitazene

Street names: Etazene, EZ

⚡What it does

  • Intense opioid euphoria at microgram doses

⚠Key risks

  • ~10–25× fentanyl potency
  • Active at sub-milligram doses — nearly impossible to dose safely

✚Overdose signs

  • Immediate respiratory depression
  • Unresponsiveness
  • Pinpoint pupils

Category comparison — Opioids

SubstanceClassTop risksStreet price
EtonitazeneSchedule I~10–25× fentanyl potency; Active at sub-milligram doses — nearly impossible to dose safely~$40–$100/g
HeroinSchedule IExtremely addictive — physical dependence in weeks; Overdose: breathing slows or stops~$10–$40 per bag
FentanylSchedule IIRespiratory depression; Addiction in days~$20–$40 per counterfeit pill
Fentanyl HCl (powder)Schedule II / analogue prosecutionsLab-purity powder is far stronger than street mixes; Weighing errors are fatal~$60–$120/gram wholesale equivalent
AcetylfentanylSchedule 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 ILinked 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 Etonitazene look like?

White/yellow/off-white powder, pills, or e-liquid for vaping

What are the signs of a Etonitazene overdose?

Immediate respiratory depression; Unresponsiveness; Pinpoint pupils Call emergency services immediately and give naloxone if available — it reverses opioid overdoses.

How addictive is it?

~10–25× fentanyl potency 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.