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Dextromethorphan

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Dose
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4 sources

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DissociativeSubstituted morphinans

Also known as DXM, DMO, DM, Dex, Robitussin, Delsym, DexAlone, Duract

Addiction potential
produces dependence with chronic use and has moderate abuse potential
Toxicity
exact toxic dosage is unknown
Tolerance
full tolerance develops with prolonged and repeated use; half after 3 - 7 days; baseline after 1 - 2 weeks
Cross-tolerance
dissociatives

Oral

Route dataPsychonautWiki

Dose
WeakerStronger
ThresholdLightCommonStrongHeavy
75 mg100–200 mg200–400 mg400–700 mg700 mg+
0875 mg
LightCommonStrongHeavy
Duration
ShorterLonger
Onset30–120 minutes
Come-up60–120 minutes
Peak3–6 hours
Offset2–4 hours
Total8–12 hours
After-effects4–24 hours
OnsetCome-upPeakOffset

Caution / uncertain

BenzodiazepinesCannabis
Plan when to take Dextromethorphan — see where onset, peak and comedown land on the clock

Source: PsychonautWiki — Dextromethorphan ↗

Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.