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Also known as Tramadol, Tramal, Tadol, Tramacur, Tramundin

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.

Addiction potential
moderately addictive with a high potential for abuse
Toxicity
low toxicity; potentially lethal when mixed with depressants like alcohol or benzodiazepines
Tolerance
full tolerance develops with prolonged and repeated use; half after 3 - 7 days; baseline after 1 - 2 weeks
Cross-tolerance
opioids

Oral

Route dataPsychonautWiki

ThresholdLightCommonStrongHeavy
25 mg25–100 mg100–250 mg250–300 mg300 mg+
0375 mg
LightCommonStrongHeavy
Onset15–60 minutes
Come-up30–60 minutes
Peak2–6 hours
Offset2–4 hours
Total6–10 hours
OnsetCome-upPeakOffset

Bioavailability: 70–90 %

Unsafe interactions

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

Source: PsychonautWiki — Tramadol ↗

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