Haloperidol

• Trade – Haldol
• Class – Antipsychotic agent 
• MOA – Selectively blocks postsynaptic dopamine receptors
• Indications – Psychotic disorders, agitation 
• Contraindications – Depressed mental status, Parkinson disease
• Side effects – extrapyramidal symptoms, drowsiness, tardive dyskinesia, hypotension, hypertension, VT, sinus tachycardia, QT prolongation, torsades de pointes. 
• Dosing 

Adult:

 Mild agitation :  0.5-2mg PO/IM

Moderate agitation : 5-10mg PO/IM

  Severe agitation : 10mg PO/IM

Pedi:

 1-5mg IM/PO