Diphenhydramine
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Also known as diphenhydramine, dph, benadryl
An antihistamine which, when taken in smaller doses relieves allergies and insomnia. In larger doses works as a deliriant and can actually keep the user awake. Generally the 'high' of this drug is reported as dysphoric, potentially causing hallucinations indistinguishable from reality.
Oral
Route dataTripSit
| Threshold | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| — | 100–250 mg | 200–500 mg | 450–700 mg | —+ |
0700 mg
LightCommonStrongHeavy
| Onset | 60–120 minutes |
|---|---|
| Total | 6–8 hours |
| After-effects | 1–12 hours |
OnsetCome-upPeakOffset
Dangerous interactions
Plan when to take Diphenhydramine — see where onset, peak and comedown land on the clock
Plan a dose of Diphenhydramine
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Source: TripSit — Diphenhydramine ↗
Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.