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4-Fluorobutyrfentanyl

Basic Information

Summary

Rare, little known and extremely potent RC analogue of Fentanyl. This powerful opioid is generally only dispensed as a nasal spray. Handle with extreme caution and never mix with other depressants.

Opioid

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

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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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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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Depressant

Depressants are drugs which reduce arousal and stimulation in the user, characterised by a depressing of mental and physical functions.

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Dose
Low300ug
Common600-900ug
Strong900-1200ug.
Duration
All ROAs
OnsetInsufflated minutes
Duration30-60 minutes
Effects

    Effects lovingly provided by PsychonautWiki

    Aliasespfbf
    4-fluorobutyrfentanyl
    4-fbf
    EffectsEuphoria, Dry Mouth, Mood lift, Itchiness, Relaxant, Constipation, Pupil constriction, Analgesia.
    See TripSit Wiki for more information about drug interactions

    Interactions

    Dangerous

    Caution

    Low risk & Increased Effects

    Low risk & No Synergy