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Collated from TripSit, Pharmacology, DrugCentral. Where sources differ (e.g. dosing), Compare shows them side by side.

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Also known as centrac, centrax, demetrin, lysanxia, pozapam, prasepine, prazene, reapam, trepidanTS

Benzodiazepine dervative. Has all the normal benzodiazepine-like quality (Anxiolytic/anticonvulsant/sedative/Skeletal muscle relaxant) It is also a prodrug for Desmethyldiazepam which is responsible for most if not all of the effects of Prazepam.TS

Oral

Route dataTripSit

ThresholdLightCommonStrongHeavy
5–10 mg10–20 mg20–40 mg—+
040 mg
LightCommonStrongHeavy
Onset45–120 minutes
Total8–20 hours
After-effects8–24 hours
OnsetCome-upPeakOffset

🧬 Receptor activityDC

TargetActionAffinitySource
GABA-A receptor alpha-1/beta-2/gamma-2 (GABRA1)Positive allosteric modulatorDRUGCENTRAL
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Mechanism of actionPH

Prazepam is believed to stimulate GABA receptors in the ascending reticular activating system. Since GABA is inhibitory, receptor stimulation increases inhibition and blocks both cortical and limbic arousal following stimulation of the brain stem reticular formation.

PharmacodynamicsPH

Prazepam is a benzodiazepine derivative with anxiolytic, anticonvulsant, sedative and skeletal muscle relaxant activity. Benzodiazepines may be habit-forming (causing mental or physical dependence), especially when taken for a long time or in high doses.

Pharmacokinetics

Half-lifePH

36-200 hours

MetabolismPH

Hepatic.
Hepatic. Prazepam is metabolised into descyclopropylmethylprazepam (also known as desmethyldiazepam) and 3-hydroxyprazepam which is further metabolised into oxazepam. [Wikipedia]
Half Life: 36-200 hours

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

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