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    Disclaimer
    Barbiturates have a narrow therapeutic window and high overdose risk. Combining with alcohol or other depressants can be fatal.

    Allobarbital Limited data
    Limited data
    Sparse data. Doses and effects may be unreliable or untested.
    • 1 source
    • 1 ROA with full dose ladder
    • duration data present
    • classified Tentative

    Summary TripSit

    Is a barbiturate that was first made in 1912. It was primilary used as an anticonvulsant. Yet it has pretty much been outclassed by a newer generation of safer ones.

    Dose Information TripSit

    ROA Light Common Strong Heavy
    Oral 500-1000mg 1000-1500mg 1500-2000mg 2000mg+
    Light Common Strong Heavy

    Onset, Duration & After-effects TripSit

    ROA Onset Peak After Effects Total
    Oral 15-30 min 6-10 hrs 1-12 hrs 6-10 hrs

    Add to PsychonautWiki Journal

    The PsychonautWiki Journal logging app doesn't include every substance. To track Allobarbital 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 "Allobarbital (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
    Allobarbital
    Unit
    mg
    Description
    Allobarbital
    Source: SubstanceSearch (substancesearch.com)
    
    Oral dose (mg): light 500-1000 · common 1000-1500 · strong 1500-2000 · heavy 2000+
    
    Oral duration: onset 15-30m · peak 6-10h · total 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 ~ 1250 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 regular use
    Reset days to weeks depending on duration of use

    Tolerance Decay

    Full tolerance 3d Half tolerance 8d Baseline ~14d

    Effects

    Positive
    • Muscle relaxation
    • Physical Euphoria
    • Pain Relief
    • Anxiolysis
    Negative
    • Motor impairment
    • Respiratory depression
    • Ataxia
    Neutral
    • Sedation
    • Slurred speech
    Positive
    • Reduced anxiety
    • Cognitive Euphoria
    • Anxiety Suppression
    Negative
    • Amnesia
    • Dizziness
    • Delusions of sobriety
    • Motor Control Loss
    • Thought Deceleration
    • Emotion Suppression
    Positive
    • Tactile Enhancement
    • Increased Music Appreciation
    • Color enhancement
    Negative
    • Disinhibition
    • Decreased Libido
    • Acuity Suppression
    • Dehydration
    • Light sensitivity
    Neutral
    • Dulled perception

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