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Methylfentanyls

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Found in: 


Fentanyl

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Type/Reason added: 


Fentanyl Analog

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Relative Potency: 


α-methylfentanyl:
similar to fentanyl, but more toxic (11)

(+)-cis-3-methylfentanyl: 20 times stronger than fentanyl
(-)-cis-3-methylfentanyl: about 20% of fentanyl (11)

(±)-trans-3-methylfentanyl:
similar to fentanyl (11)

Overview

The Effects

Treatment Options

Routes of Administration and Effects

Administration: 

Can be snorted, injected, ingested orally, smoked, or absorbed sublingually (under the tongue). It may also be encountered in transdermal patches through rare cases.

Dosage and Effects: 

  • Opioid Effects: Euphoria, profound sedation, analgesia (pain relief), and respiratory depression.

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  • Adverse Effects: Respiratory depression, nausea, vomiting, drowsiness, pinpoint pupils, constipation, and reduced mental alertness.

Information Regarding the Substance

Physical Description: 

Methylfentanyls are most often seen as white to off-white crystalline powders, though their color can vary with impurities. In counterfeit tablets, they may resemble pharmaceutical opioids like oxycodone or hydrocodone.

Side Effects:

  • Common: Euphoria, drowsiness, pain relief, mental clouding and confusion, and slowed respiratory rate and reduced reflexes.

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  • Severe: Hypoxia (lack of oxygen), unconsciousness or coma, cardiac arrest, death from overdose.

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