Phenobarbital
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Also known as Phenobarbital, Phenobarbitone, Luminal, Phenobarb
Death may occur when barbiturates are combined with depressants such as opiates, benzodiazepines, gabapentinoids, thienodiazepines, alcohol or other GABAergic substances.[1] It is strongly discouraged to consume moderate to heavy dosages of these substances together.
Addiction potential
extremely physically and psychologically addictive
Toxicity
moderate toxicity; potentially lethal when mixed with depressants like alcohol or opioids
Oral
Route dataPsychonautWiki
| Threshold | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| 25 mg | 50–100 mg | 100–150 mg | 150–300 mg | —+ |
0300 mg
LightCommonStrongHeavy
| Onset | 15–60 minutes |
|---|---|
| Come-up | 1–2 hours |
| Peak | 4–6 hours |
| Offset | 12–24 hours |
| Total | 4–6 hours |
| After-effects | 1–48 hours |
OnsetCome-upPeakOffset
Plan when to take Phenobarbital — see where onset, peak and comedown land on the clock
Plan a dose of Phenobarbital
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Source: PsychonautWiki — Phenobarbital ↗
Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.