Despropionyl fentanyl is not typically administered on its own but may be incidentally consumed as a contaminant in illicit fentanyl products.

Dosage and Effects: 

• Weak Opioid Effects: Weak analgesia (pain relief), mild sedation, and minimal respiratory depression (at very high doses)

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• Adverse Effects: Common effects include drowsiness, dizziness, and nausea. Severe effects include respiratory depression.

Information Regarding the Substance

Physical Description: 

Usually found in powder form.

Side Effects:

• Common: Mild sedation or fatigue.

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• Severe: Respiratory depression.