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

    Tetrazepam Encyclopedic
    Encyclopedic
    Typical encyclopedia coverage. Cross-reference for important decisions.
    • 1 source
    • 1 ROA with full dose ladder
    • duration data present
    • 17 combo interactions documented
    • PubChem toxicity data

    Depressant Benzodiazepine

    Summary TripSit

    A benzodiazepine that has most of the properties of more common benzodiazepines. Yet was taken off the market in 2013. Has been noted to be more euphoric than most others.

    Dose Information TripSit

    ROA Light Common Strong Heavy
    Oral 25-50mg 50-100mg 100-200mg 200mg+
    Light Common Strong Heavy

    Onset, Duration & After-effects TripSit

    ROA Onset Peak After Effects
    Oral 15-35 min 6-10 hrs 1-12 hrs

    Effect Profile

    class estimate

    Scores (1–10) curated from multiple sources:

    • Effect keyword matching from PsychonautWiki catalog
    • No reports exist for this substance. Its effect list is the one shared by 8 other substances of the same class, so the scores below describe the class, not this compound.
    • 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
    View methodology →

    Add to PsychonautWiki Journal

    The PsychonautWiki Journal logging app doesn't include every substance. To track Tetrazepam there, start adding an ingestion, search for the name, and choose to add it as a custom substance. Paste these values:

    ⬇ Download import file Import this file as custom substances and you get "Tetrazepam (Substance Search)" with every route's full dose ladder and timeline, no typing. Works on iOS and Android (v15+); the format is confirmed by the app's developer. The manual values below work for older versions.
    Name
    Tetrazepam
    Unit
    mg
    Description 
    Tetrazepam
Source: SubstanceSearch (substancesearch.com)

Oral dose (mg): light 25-50 · common 50-100 · strong 100-200 · heavy 200+

Oral duration: onset 15-35m · peak 6-10h · after-effects 1-12h

Note: ranges are harm-reduction guidance, not a prescription. Start low, go slow, and test your substances.

    Tip: for quicker logging you can also add a Custom Unit in the app, e.g. common dose ~ 75 mg (Oral).

    The app keeps custom substances simple, so the full dose ranges live in the description text above. Ranges are harm-reduction guidance, not a prescription.

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

    Combinations TripSit

    Cross-Check Tetrazepam 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. Tags summarise each author's own verdict — how reports are classified.

    Bluelight 1 thread 1 neutral visit
    Tetrazepam 300 Mg First Time With Such A High Dosage Intense neutral

    Been taking tetrazepam (a not well-known benzo) for a few months (got them prescibed for neck problem), but never exceeded about 150mg at a time, which was already enough to get me sort of high, extremely relaxed in any case...decided the other day that I wanted to get really high though, took 300 mg (that's equivalent...

    scraped 2026-03-14
    Tetrazepam's nerd page Pharmacology, chemical data, effect profiles, and more
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    Helpful Links

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