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4-MeO-Butyrfentanyl

Basic Information

Summary

Rare and basically unknown opioid and fentanyl analogue (not to be confused with Butyrfentanyl). Virtually no reliable information exists, safe dosages are unknown. Exercise extreme caution. Overdose may result in respiratory depression. Do not mix with stimulants or depressants.

Tentative

Drugs marked as tentative are those our team wasn't able to find much reliable information about. This is often because the drug is very new. Information listed under these drugs should not be entirely trusted.

Research Chemical

Research chemicals are drugs with relatively little history of human use, and thus particular care should be taken if choosing to ingest them.

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Opioid

Opioids are pain-killing depressants which may also cause euphoria.

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Habit-forming

These drugs pose a higher risk of causing habit forming behaviour, take particular care with the amount and frequency they are taken.

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Duration
Oral
Onset5-15 minutes
Duration45-120 minutes
After-effects1-2 hours
Insufflated
Onset1-2 minutes
Duration30-75 minutes
After-effects1-2 hours
Effects
    Aliases4-meo-bf
    See TripSit Wiki for more information about drug interactions

    Interactions

    Dangerous

    Caution

    Low risk & Increased Effects

    Low risk & No Synergy