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HomePharmacologyHaloperidol

Haloperidol

Typical (First-Generation) Antipsychotic
Drug Class
Typical (First-Generation) Antipsychotic
Mechanism of Action (MOA)
High-potency dopamine D2 receptor antagonist.
Black Box Warning
Increased mortality in elderly patients with dementia-related psychosis.
Clinical Notes
Acute agitation/psychosis and delirium. Extrapyramidal symptoms, QT prolongation, neuroleptic malignant syndrome, tardive dyskinesia.
Source
FDA label

Sources

Reviewed June 2026
  1. FDA label — FDA / DailyMed

Checked against the guideline or standard reference the exam keys to. If it has moved, use Report an error below.

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