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Etonitazepyne

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Found in: 


Fentanyl, Falsified pharmaceutical opioids

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Type/Reason added: 


Nitazene

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Relative Potency: 


20 times more potent than fentanyl (6)

Routes of Administration and Effects

Administration: 

Etonitazepyne can be administered orally, intranasally (snorted as a powder), by injection, or through inhalation (vaporized and inhaled). The route of administration significantly influences the onset and intensity of effects, with injection being the fastest-acting and most dangerous method due to the high risk of overdose.

Dosage and Effects: 

  • Opioid Effects: Produces strong analgesia, euphoria, sedation, and severe respiratory depression, similar to other potent opioids.

  • Adverse Effects: Common side effects include respiratory depression, miosis (pupil constriction), nausea, drowsiness, dizziness, and constipation. Severe effects can include profound respiratory depression, hypoxia, loss of consciousness, and death.​

Information Regarding the Substance

Physical Description: 

Typically a fine powder, off-white or light yellow in color, though appearance can vary based on production and adulterants.

Side Effects:

  • Common: Respiratory depression, nausea, dizziness, drowsiness, miosis (pupil constriction), and constipation.

  • Severe: Respiratory depression, hypoxia, loss of consciousness, and death.

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