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    ⚠ Opioids carry significant risk of respiratory depression, physical dependence, and fatal overdose. Never combine with other depressants.

    Benzylmorphine Limited data
    Limited data
    Sparse data. Doses and effects may be unreliable or untested.
    • 1 source
    • no dose data
    • 29 combo interactions documented

    Summary

    Benzylmorphine is a depressant pharmaceutical compound. Reported effects include euphoria, anxiety suppression, muscle relaxation, and compulsive redosing. Limited data is available on its dosage and safety profile.

    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 1 other substance 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

    Opioid 5.1
    Moderate+ 5/10

    Strong euphoria with moderate itching/nausea, mild sedation

    Euphoria / Warmth ×3
    9
    physical euphoria cognitive euphoria euphoria
    Analgesia ×2
    0
    Sedation / Relaxation ×1
    5
    sedation muscle relaxation
    ⚠ Itching / Nausea ×1
    6
    nausea constipation

    Tolerance

    Build-up develops within days of regular use; analgesic tolerance faster than respiratory depression tolerance
    Reset 7–14 days for partial reset; full reset may take weeks — tolerance loss greatly increases overdose risk

    Tolerance Decay

    Full tolerance 1d Half tolerance 21d Baseline ~35d

    Effects

    Positive
    Negative
    Neutral
    Positive
    Negative
    Positive
    Negative
    Neutral

    Combinations

    Cross-Check Benzylmorphine with another substance

    →

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