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Also known as Opana

Fatal overdose may occur when opiates are combined with other depressants such as benzodiazepines, barbiturates, gabapentinoids, thienodiazepines, alcohol or other GABAergic substances.[1] It is strongly discouraged to combine these substances, particularly in common to heavy doses.

Cross-tolerance
opioids

Oral

Route dataPsychonautWiki

ThresholdLightCommonStrongHeavy
2.5 mg5–10 mg10–20 mg20–30 mg30 mg+
037.5 mg
LightCommonStrongHeavy
Onset20–45 minutes
Total4–6 hours
OnsetCome-upPeakOffset

Caution / uncertain

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

Source: PsychonautWiki — Oxymorphone ↗

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