LOXAPINE

(Loxapac)

Standard Prescription

loxapine__mg PO/{IM} Q__H

Dosages

Adolescents/Adults:

Initial: 5-10 mg PO BID
Increment: Increase over 7-10 days to effective control of psychotic symptoms.
Usual Therapeutic & Maintenance Dose:
10-25 mg PO BID
Usual maximum: 100 mg/24 hr
Usual IM Dose: 10-20 mg IM Q6H

Acute agitation:
0.1-0.2 mg/kg/dose PO/IM once
Maximum 25 mg/dose

Mechanism of Action

Typical antipsychotic

Forms Supplied

tablet: 5 mg, 10 mg, 25 mg, 50 mg
injection: 50 mg/mL

Comments

Medium potency conventional antipsychotic.

High incidence of sedation, moderate effects on the cardiovascular system and a moderate incidence of anticholinergic side effects.

Moderate incidence of extrapyramidal symptoms (EPS), including dystonic reactions in children and adolescents (treat with benztropine or diphenhydramine).

15 mg loxapine PO approx. = 100 mg chlorpromazine PO or 2 mg haloperidol PO.

For the management of acute agitation, refer to relevant departmental guidelines or to the Child Health BC Least Restraint Guideline for more information


References

4, 32, 44, 83, 112, 689

Last Edited

2023-05-12 07:23:24