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Administration
Adult Dosing
Pediatric Dosing
- 2-12yo: 0.015-0.1mg/kg IV/IM
Special Populations
- Pregnancy Rating: C
- Lactation risk: Infant risk cannot be ruled out
- Renal dosing: Administer with caution
- Hepatic dosing: Administer with caution
Contraindications
- Allergy to class/drug
- Known or suspected prolonged QT
Adverse Reactions
Serious
- Prolonged QT, torsades, ventricular tachycardia, cardiac arrest
- Note: effect on QT interval is dose-dependent
- Neuroleptic malignant syndrome
- Anaphylaxis
Common
- Somnolence, dysphoria
- Anxiety, restlessness, hyperactivity
- Hypotension
- Tachycardia
Pharmacology
- Half-life: 123-147m (adults), 75-127m (children)
- Metabolism: hepatic
- Excretion: mostly renal
Mechanism of Action
- Dopamine (D2) antagonist. Some serotonergic, histaminergic, and α-adrenergic effect
See Also
References