Administration: Common routes include oral ingestion, nasal insufflation (snorting), intravenous (IV) injection, sublingual (SL) administration, and smoking.

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Dosage and Effects: Detailed dosage information is typically not specified due to its illicit nature, but it is known for producing strong opioid effects similar to those of fentanyl.

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Effects:

• Opioid Effects: Analgesia, euphoria, sedation, respiratory depression, miosis (pinpoint pupils), constipation.

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• Adverse Effects: High risk of overdose and death due to respiratory depression, especially when used in combination with other CNS depressants like benzodiazepines or alcohol.
   

Information Regarding the Substance

• Physical Description: Often found as a white powder or crystalline solid, similar in appearance to other fentanyl analogs.

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• Side Effects: Common side effects include drowsiness, dizziness, nausea, vomiting, constipation, and respiratory depression. Severe side effects include profound sedation, respiratory arrest, and death, particularly in cases of overdose.