Drug reference
251-nbome
5HT2A receptor agonist · Hallucinogen
5HT2A receptor agonistHallucinogen
CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
—
none in our sources
PREGNANCY
—
not curated
Mechanism
251-NBOMe is a synthetic, highly potent 5HT2A receptor agonist.
Side effects
Common
TachycardiaHypertensionAgitationAggressionHallucinationsSeizures
Serious
- Overdose deaths
- Injury-related deaths
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Textbook-sourced·Sources: Goodman & Gilman 14e·Updated: 2026-05-10