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    🧪 This is a research chemical with limited data on its long-term health effects, toxicity profile, and safe dosage ranges.

    2-FEA

    Aliases: O-fluoroethamphetamine, 2-fluoroethylamphetamine, Ortho-fluoroethamphetamine

    Psychedelic Stimulant Research-chemical

    Summary TheDrug.Wiki TripSit PsychonautWiki

    2-Fluoroethamphetamine (2-FEA) is a novel stimulant substance of the amphetamine class that produces classical stimulant effects such as stimulation, enhanced focus and euphoria when administered. The exact effects of 2-FEA are not well known by its users with anecdotal reports suggesting only minimal activity and possible serotonergic qualities. 2-FEA is sold on the online research chemical market.

    Dose Information TheDrug.Wiki PsychonautWiki

    ROA Light Common Strong Heavy
    Insufflated 20-30mg 30-40mg 40-60mg 60mg+
    Light Common Strong Heavy

    Onset, Duration & After-effects TheDrug.Wiki PsychonautWiki

    ROA Onset Comeup Peak Offset After Effects
    Oral 20-60 min 30-45 min 1.5-3 hrs 1-2 hrs 2-6 hrs
    Insufflated 5-15 min 15-30 min 1.5-3 hrs 1-2 hrs 2-6 hrs
    Rectal 5-20 min 20-40 min 1.5-3 hrs 1-2 hrs 2-6 hrs
    Sublingual 15-30 min 25-40 min 1.5-3 hrs 1-2 hrs 2-6 hrs

    Effect Profile

    Scores (1–10) curated from multiple sources:

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

    Full methodology

    Psychedelic 1.8
    Light 2/10

    Strong body load with low visuals and headspace

    Visual Intensity ×3
    3
    drifting pattern recognition enhancement
    Headspace Depth ×3
    1
    time distortion
    Auditory Effects ×1
    0
    ⚠ Body Load / Somatic Effects ×1
    8
    vasoconstriction nausea teeth grinding increased heart rate
    Empathogen 3.4
    Light+ 3/10

    Moderate stimulation and euphoria with mild sensory enhancement

    Empathy / Social Openness ×3
    0
    Euphoria / Mood Elevation ×2
    6
    physical euphoria cognitive euphoria
    Stimulation ×1
    7
    stimulation wakefulness teeth grinding increased heart rate
    Sensory Enhancement ×1
    5
    tactile enhancement increased libido
    Stimulant 6.6
    Strong+ 7/10

    Strong anxiety/jitters and focus with moderate stimulation and euphoria

    Stimulation / Energy ×3
    7
    stimulation stamina enhancement wakefulness
    Euphoria / Mood Lift ×2
    7
    physical euphoria cognitive euphoria motivation enhancement
    Focus / Productivity ×2
    9
    focus enhancement analysis enhancement motivation enhancement thought acceleration
    ⚠ Anxiety / Jitters ×1
    10
    anxiety paranoia increased heart rate teeth grinding vasoconstriction
    Based on reports from:
    Erowid Experience Reports PsychonautWiki 2-FEA
    View methodology →

    Tolerance

    Build-up develops over days to weeks of regular use
    Reset 3–7 days for acute; 1–3 weeks for full reset

    Effects TheDrug.Wiki PsychonautWiki

    Positive
    • Stimulation
    • Physical euphoria
    • Stamina enhancement
    • Bronchodilation
    Negative
    • Pupil dilation
    • Dry mouth
    • Increased perspiration
    • Increased heart rate
    • Increased blood pressure
    • Vasoconstriction
    • Teeth grinding
    • Temporary erectile dysfunction
    • Nausea
    • Headache
    • Abnormal heartbeat
    Neutral
    • Sedation
    • Restless legs
    • Frequent urination
    • Increased bodily temperature
    • Brightness alteration
    • Stamina intensification
    Positive
    • Cognitive euphoria
    • Focus enhancement
    • Motivation enhancement
    • Wakefulness
    • Analysis enhancement
    Negative
    • Anxiety
    • Emotion suppression
    • Delusion
    • Depression
    • Paranoia
    • Irritability
    • Thought deceleration
    • Depersonalization
    • Compulsive redosing
    • Cognitive fatigue
    • Psychosis
    • Motivation depression
    Neutral
    • Time distortion
    • Thought acceleration
    • Ego inflation
    • Thought organization
    • Focus intensification
    Positive
    • Increased libido
    • Tactile enhancement
    • Increased music appreciation
    • Bodily control enhancement
    • Pattern recognition enhancement
    Negative
    • Appetite suppression
    • Dehydration
    • Disinhibition
    Neutral
    • Drifting
    • Tactile intensification

    Combinations TripSit

    2-FEA's nerd page Pharmacology, chemical data, effect profiles, and more
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    Helpful Links

    📘 Experience Reports 📖 TheDrug.Wiki 📖 PsychonautWiki