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Opioids

Isobutonitazene

Street names: Isobutono, iBu-nitazene

⚡What it does

  • Branched-chain nitazene — opioid euphoria and sedation
  • High potency, rapid onset

⚠Key risks

  • Emerging 2024 in EU and US drug-checking data
  • Sold in counterfeit pills with wildly uneven content — one pill can differ 10× from the next
  • Missed by standard opioid screens
  • Cluster overdoses reported where it entered local supplies

✚Overdose signs

  • Pinpoint pupils, unresponsive
  • Slow or stopped breathing
  • Blue lips/fingertips

Category comparison — Opioids

SubstanceClassTop risksStreet price
IsobutonitazeneNot scheduledEmerging 2024 in EU and US drug-checking data; Sold in counterfeit pills with wildly uneven content — one pill can differ 10× from the next~$1–3 per counterfeit pill wholesale
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 Isobutonitazene look like?

White crystalline powder; found in 'oxycodone' counterfeit pills

What are the signs of a Isobutonitazene overdose?

Pinpoint pupils, unresponsive; Slow or stopped breathing; Blue lips/fingertips Call emergency services immediately and give naloxone if available — it reverses opioid overdoses.

How addictive is it?

Emerging 2024 in EU and US drug-checking data 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.