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    FXE Encyclopedic
    Encyclopedic
    Typical encyclopedia coverage. Cross-reference for important decisions.
    • 2 corroborating sources
    • 1 ROA with full dose ladder
    • duration data present
    • 18 combo interactions documented
    • PubChem toxicity data
    • dose data not in PW/TripSit (unverifiable)

    Aliases: 3f-o-pce, fluorexetamine

    Summary

    FXE is a dissociative. Reported effects include physical euphoria, pain relief, analgesia, and time distortion.

    Perspectives

    “FXE is a lot of fun, having tried it in its purified form, it is quickly earning a place among the pantheon of my favorite dissociatives. It is euphoric, creative, fairly visual, and quite psychedelic offering a great deal of stimulating cognitive enhancement.”

    Dose Information

    ROA Light Common Strong Heavy
    Insufflated BA ~50% 5-15mg 15-37.5mg 37.5-75mg 75mg+
    Light Common Strong Heavy

    Onset, Duration & After-effects

    ROA Onset Peak Offset After Effects Total
    Insufflated 15-40 min 1-2 hrs 60-90 min 4-8 hrs 2-4 hrs

    Effect Profile

    7 reports

    Scores (1–10) curated from multiple sources:

    • Effect keyword matching from PsychonautWiki catalog
    • Weighted by importance: core (×3), major (×2), minor (×1)

    Full methodology

    Dissociative 6.0
    Strong 6/10

    Strong dissociative depth and motor impairment with mild mania, low insight

    Dissociative Depth ×3
    10
    depersonalization derealization physical disconnection visual disconnection spatial disorientation perception of bodily lightness +2 more
    Mania / Compulsion ×1
    4
    disinhibition stimulation
    Insight / Novel Thought ×2
    3
    conceptual thinking
    Motor / Sensory Impairment ×1
    10
    motor control loss physical disconnection tactile suppression numbness spatial disorientation visual disconnection +1 more

    Tolerance

    Build-up develops with repeated use over days to weeks
    Reset 2–4 weeks for noticeable reduction

    Tolerance Decay

    Full tolerance 1d Half tolerance 14d Baseline ~28d

    Estimates are based on dissociative class patterns and user reports rather than controlled studies. Cross‑tolerance within arylcyclohexylamines is common; allowing 2–4+ weeks between sessions reduces tolerance significantly.

    Cross-Tolerances

    Effects Erowid

    Aggregated from 7 Erowid experience reports

    Positive Effects 7

    Euphoria 85.7% 70%
    Empathy 85.7% 70%
    Color Enhancement 71.4% 70%
    Music Enhancement 71.4% 70%
    Stimulation 71.4% 70%
    Introspection 42.9% 70%
    Tactile Enhancement 42.9% 70%

    Adverse Effects 1

    Motor Impairment 42.9% 70%

    Combinations TripSit

    Cross-Check FXE with another substance

    Community Trip Reports

    Anecdotal first-person accounts from Reddit, Erowid, and Bluelight. Click a source to expand. Reports are harm-reduction context, not medical guidance.

    Erowid 7 reports 1 positive 6 neutral visit
    Tripping into Love positive exp #117106

    Initially, we were just friends and had no plans for the trip that changed everything. Two years ago, I met a boy who was avoidant while I had a boyfriend. We formed a friendship that evolved into a larger group of like-minded people who bonded over their shared love for Research Chemicals and Techno.

    Mary · Fluorexetamine · 1 hit / 2 glasses oral / repeated insufflated
    The Great Void of Heaven neutral exp #116413

    [Erowid Note: All samples of material sold as Fluorexetamine (FXE; 3-Fluoro-2-oxo PCE) and analyzed by Erowid's DrugsData service have contained other compounds, usually 2-Fluoro-2-oxo PCE .] It is worth considering that the 170 mg dose I took here would be considered quite a heavy dose; my personal preference with dis...

    nervewing · Fluorexetamine · 175 mg insufflated / 3-5 hits vaporized
    Now We're Cooking neutral exp #117852

    In my friend group, one of our typical Friday night pastimes is consuming research chemicals and attempting to engage in some sort of technically demanding activity together in spite of their impairing effects.

    Ermine Bastard · Fluorexetamine · 71 mg oral / Sips oral / couple hits smoked
    No Time for Me to Properly Understand neutral exp #116094

    [Erowid Note: All samples of material sold as Fluorexetamine (FXE; 3-Fluoro-2-oxo PCE) and analyzed by Erowid's DrugsData service have contained other compounds, usually 2-Fluoro-2-oxo PCE .] An Evening with FXE 3-F-2'-Oxo-PCE / Fluorexetamine / FXE has finally made a proper debut in the research chemical scene.

    LST · Fluorexetamine · 60 mg insufflated / 110 mg insufflated / 45 mg insufflated / 205 mg insufflated
    The Mythic Calculus neutral exp #116611

    [Erowid Note: All samples of material sold as Fluorexetamine (FXE; 3-Fluoro-2-oxo PCE) and analyzed by Erowid's DrugsData service have contained other compounds, usually 2-Fluoro-2-oxo PCE .] Setting: a land far across the Atlantic, at a gathering of hard-core entymologists, night-time on a sandy river side.

    MHD · Fluorexetamine · 50 mg insufflated
    FX-Meh (First Experiment White FXE Batch) neutral exp #117671

    [Erowid Note: All samples of material sold as Fluorexetamine (FXE; 3-Fluoro-2-oxo PCE) and analyzed by Erowid's DrugsData service have contained other compounds, usually 2-Fluoro-2-oxo PCE .] ROA Insufflated Non stim batch Solid large white crystals. Purchased it 2022/2023 North America.

    Damion1567 · Fluorexetamine · repeated insufflated
    A Surprisingly Cognitive Dissociative neutral exp #117756

    [Erowid Note: All samples of material sold as Fluorexetamine (FXE; 3-Fluoro-2-oxo PCE) and analyzed by Erowid's DrugsData service have contained other compounds, usually 2-Fluoro-2-oxo PCE .] Context/Intent: One of my best friends from college was in town.

    ceganoodle · Fluorexetamine · 30 mg insufflated / 20 mg insufflated / inhaled
    Bluelight 1 thread 1 neutral visit
    Fxe Experienced 175 Mg Intranasal The Great Void Of Heaven neutral

    Age: 26 Weight: 130 lbs Dosage: 170 mg intranasal Setting: My house It is worth considering that the 170 mg dose I took here would be considered quite a heavy dose; my personal preference with dissociatives is for higher doses and more exploratory experiences.

    scraped 2026-03-14

    Bluelight Reference Guide Bluelight

    Dissociatives The Big & Dandy Fluorexetamine (3-F-2’-oxo-PCE; FXE) Thread

    I just noticed this listed on the site of one of my vendors. This is the first I have heard mention of it. It's MXE with the methoxy on the 3 position replaced by a fluorine.

    Read full thread on Bluelight →

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