May precipitate CNS depression if Pt. is already taking CNS depressant medications.
2 and 4 mg/mL concentrations in 1mL vials
Dosage and Administration
Note: when given IV or IO, must dilute with equal volume of sterile water or sterile saline; when given IM, lorazepam is not to be diluted.
Adult: 2-4 mg slow IV at 2 mg/min of IM; may repeat in 15-20 minutes to maximum dose of 8 mg. For sedation: 0.05 mg/kg up to 4 mg IM
Pediatric: 0.05-0.20 mg/kg slow IV, IO slowly over 2 minutes or IM; may repeat in 15-20 minutes to maximum dose of 0.2 mg/kg
Duration of Action
Onset: 1-5 minutes
duration: 6-8 hours
Pregnancy saftey: Catergory D. Monitor BP and respiratory rate during administration. Have advanced airway equipment readily available. Inadvertent arterial injection may result in vasospasm and gangrene. Lorazepam expires in 6 weeks if not refrigerated.