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    Ephedrine

    Aliases: Sudafed, Ephedra, Ma huang, Isofedrol, Mini thins

    Summary TheDrug.Wiki Erowid TripSit PsychonautWiki

    Ephedrine is a naturally occurring alkaloid found in Ephedra species. It is used medically as a bronchodilator, decongestant, and to treat hypotension. Structurally similar to amphetamines but less potent.

    Dose Information TheDrug.Wiki TripSit PsychonautWiki

    ROA Light Common Strong Heavy
    Oral 10-20mg 20-30mg 30-50mg 50mg+
    Light Common Strong Heavy

    Onset, Duration & After-effects TheDrug.Wiki TripSit PsychonautWiki

    ROA Onset Peak Offset After Effects Total
    Oral 20-90 min 1-2 hrs 2-4 hrs 2-4 hrs 3.3-7.5 hrs
    Insufflated 5-15 min 30-60 min 1-2 hrs 2-4 hrs 1.6-3.2 hrs

    Effect Profile

    63 reports

    Scores (1–10) curated from multiple sources:

    • Effect keyword matching from PsychonautWiki catalog
    • Validated against 63 Erowid trip reports
    • Weighted by importance: core (×3), major (×2), minor (×1)

    Full methodology

    Stimulant 7.8
    Intense 8/10

    Strong stimulation, euphoria, and anxiety/jitters with moderate focus

    Stimulation / Energy ×3
    10
    stimulation wakefulness alertness enhancement
    Euphoria / Mood Lift ×2
    10
    physical euphoria cognitive euphoria euphoria
    Focus / Productivity ×2
    6
    memory enhancement
    Anxiety / Jitters ×1
    10
    anxiety restlessness increased heart rate

    Tolerance

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

    Tolerance Decay

    Full tolerance 2d Half tolerance 3d Baseline ~7d

    Tachyphylaxis to pressor and subjective stimulant effects is common with repeated dosing over hours–days; substantial recovery generally occurs over several days of abstinence. Data are largely theoretical/anecdotal for recreational patterns.

    Cross-Tolerances

    Effects Erowid

    Aggregated from 63 Erowid experience reports

    Positive Effects 8

    Stimulation 65.1% 70%
    Focus Enhancement 30.2% 70%
    Euphoria 27.0% 70%
    Music Enhancement 25.4% 70%
    Empathy 15.9% 70%
    Body High 14.3% 70%
    Tactile Enhancement 9.5% 70%
    Color Enhancement 9.5% 70%

    Adverse Effects 7

    Nausea 25.4% 70%
    Anxiety 22.2% 70%
    Confusion 17.5% 70%
    Headache 12.7% 70%
    Increased Heart Rate 12.7% 70%
    Sweating 11.1% 70%
    Memory Suppression 7.9% 70%

    Combinations TripSit

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