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    Disclaimer
    ⚠ Benzodiazepines can cause physical dependence with regular use. Withdrawal can be life-threatening. Never combine with opioids or alcohol.

    Lormetazepam

    Aliases: Noctamid

    Depressant Benzodiazepine

    Summary TripSit

    Relatively rare prescription benzodiazepine. Short acting with a short half life. Generally only seen in the Netherlands.

    Dose Information TripSit

    ROA Light Common Strong Heavy
    Oral 0.5-1mg 1-2mg 2-4mg 4mg+
    Light Common Strong Heavy

    Benzo Equivalence Calculator

    mg
    mg Lormetazepam
    =
    — mg Diazepam

    ⚠ These are approximate equivalences for educational and cross-tapering reference. Individual response, tolerance, and half-life differences mean actual equivalence varies. Always consult a healthcare provider for tapering guidance.

    Onset, Duration & After-effects TripSit

    ROA Onset Peak After Effects Total
    Oral 10-30 min 4-8 hrs 1-24 hrs 4.2-8.5 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

    Benzodiazepine 7.6
    Intense 8/10

    Strong euphoria and anxiolysis with mild sedation, low cognitive impairment

    Anxiolysis ×3
    8
    anxiety suppression reduced anxiety muscle relaxation
    Sedation / Relaxation ×2
    5
    sedation muscle relaxation
    ⚠ Motor / Cognitive Impairment ×1
    1
    double vision
    Euphoria / Mood Lift ×1
    10
    cognitive euphoria euphoria physical euphoria disinhibition
    Based on reports from:
    Erowid Experience Reports PsychonautWiki Lormetazepam
    View methodology →

    Tolerance

    Build-up develops over 1–4 weeks of daily use; hypnotic tolerance faster than anxiolytic tolerance
    Reset weeks to months depending on half-life and duration of use; taper recommended

    Tolerance Decay

    Full tolerance 3d Half tolerance 37d Baseline ~60d

    Effects

    Positive
    • Stimulation
    • Physical euphoria
    • Muscle relaxation
    Negative
    • Motor impairment
    • Increased heart rate
    • Nausea
    • Respiratory depression
    • Vasoconstriction
    • Teeth grinding
    Neutral
    • Sedation
    Positive
    • Reduced anxiety
    • Cognitive euphoria
    • Euphoria
    • Anxiety suppression
    • Wakefulness
    Negative
    • Compulsive redosing
    • Anxiety
    • Dizziness
    • Thought deceleration
    Neutral
    • Time distortion
    Positive
    • Increased music appreciation
    • Increased libido
    • Tactile enhancement
    • Color enhancement
    Negative
    • Disinhibition
    • Dehydration
    • Appetite suppression
    • Light sensitivity
    • Double vision
    Neutral
    • Dulled perception

    Combinations TripSit

    Lormetazepam's nerd page Pharmacology, chemical data, effect profiles, and more
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    Helpful Links

    💊 Pill Identifier 📘 Experience Reports 📖 TripSit 📖 PsychonautWiki