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Clonazolam

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Found in: 


Fentanyl, BZD

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Type/Reason added: 


Short acting DBZD

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Relative Potency: 


Over twice as potent as alprazolam (19)

Routes of Administration and Effects

Administration: The common route of administration for Clonazolam is oral ingestion.

Dosage and Effects:

Dose Range (oral):

  • Light: 75-200 μg

  • Common: 200-400 μg

  • Heavy: 500-1000 μg

Onset and Duration:

  • Onset: 10-30 minutes

  • Duration: 6-10 hours

  • After Effects: 1-12 hours

Main Effects: Hypnosis, following by amnesia.

Adverse Effects: Loss of motor control, amnesia, respiratory depression, dizziness, and muscle relaxation.

Information Regarding the Substance

Physical Description:

Typically appears as a white powder or is suspended in a liquid solution for ease of dosing. When pressed into pills, it resembles other benzodiazepine tablets.


Side Effects:

  • Common: Drowsiness, dizziness, slurred speech, impaired coordination, and memory issues. Users may experience emotional blunting or lack of inhibition.

  • Severe: Respiratory depression, loss of consciousness, dangerously slowed reflexes, and blackouts. Repeated or high doses can lead to benzodiazepine dependence and severe withdrawal symptoms.

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