Also known as vistaril, atarax
An antihistamine drug commonly prescribed for anxiety, itchiness, nausea, and insomnia. Hydroxyzine has also been used to potentiate the analgesia of opioids as well as diminishing the negative effects of opioids, such as itchiness.
Oral
Route dataTripSit
| Threshold | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| — | — | 25–100 mg | — | —+ |
0100 mg
LightCommonStrongHeavy
| Onset | 20–60 minutes |
|---|---|
| Total | 3–5 hours |
| After-effects | 1–8 hours |
OnsetCome-upPeakOffset
Plan when to take Hydroxyzine — see where onset, peak and comedown land on the clock
Plan a dose of Hydroxyzine
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Source: TripSit — Hydroxyzine ↗
Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.