Library

Flunitazene

Flunitazene (Fluonitazene) is a benzimidazole derivative with opioid effects, first developed in the 1950s as part of the research that led to better-known compounds such as etonitazene. It is one of the least potent derivatives from this class to have appeared as a designer drug, with only around the same potency as morphine, but nevertheless has been sold since around 2020, and has been linked to numerous drug overdose cases.

Flunitazene molecular structure
Flunitazene molecular structure diagram from the DrugsPRO substance library.

Classification

  • Chemical: 2-Benzylbenzimidazole opioid
  • Chemical: Opioid
  • Psychoactive: Depressant
  • Tag: Nitazene

Effects

  • Sedation
  • Motor Impairment
  • Respiratory Depression
  • Constipation
  • Pupil Constriction
  • Itchiness
  • Reduced Anxiety
  • Euphoria
  • Anxiety Suppression
  • Sadness
  • Dulled Perception
  • Internal Hallucination
  • Size Distortion
  • Warmth
  • Warm Flush

Routes of Administration

No route information available yet.

Harm Reduction

Check interactions before mixing substances, pay attention to dose spacing and hydration, and treat all dosage guidance as approximate rather than guaranteed safe.

Sources

Substance data is aggregated from the following public harm-reduction and reference sources.

Links

This static page is intended as a readable non-JS and prerender-friendly library export.

Get the full DrugsPRO experience

Open the interactive DrugsPRO app for search, saved items, interactions, and deeper harm reduction tools.

Get the PRO test kit. The simple, quick and reliable drug checking test kit. Visit https://protestkit.eu

Flunitazene - DrugsPRO substance guide

Flunitazene: Flunitazene (Fluonitazene) is a benzimidazole derivative with opioid effects, first developed in the 1950s as part of the research that led to better-known compounds such as etonitazene. It is one of the least potent derivatives from this class to have appeared as a designer drug, with

Get to know drugs.

Related pages