Lorazepam Dosing for Pre-Dental Procedure Anxiolysis

Recommended Dosing Protocol

A single pre-procedure dose of lorazepam provides effective anxiolysis without requiring ongoing therapy, according to the Praxis Medical Insights guideline society 1
Elderly or debilitated patients should have their dose reduced to 0.5-1 mg orally, due to increased sensitivity to benzodiazepines and higher risk of falls, cognitive decline, and paradoxical agitation 1, 2

The American College of Medical Toxicology and the American Academy of Clinical Toxicology recommend avoiding combination of lorazepam with other sedatives or opioids due to significantly increased respiratory depression risk 1
Patients with severe pulmonary insufficiency, severe liver disease, or myasthenia gravis should not be given lorazepam, as recommended by the Praxis Medical Insights guideline society 1
Patients should be observed for respiratory depression, particularly those with underlying respiratory disease, and have respiratory support immediately available, according to the Praxis Medical Insights guideline society 3

Patients with hepatic impairment should have their dose reduced to 0.25 mg, as recommended by the Praxis Medical Insights guideline society 1
Elderly patients should have a maximum dose of 2 mg/24 hours, according to the Praxis Medical Insights guideline society 1

The World Journal of Emergency Surgery recommends avoiding routine use of lorazepam in elderly patients, where benzodiazepines should be minimized due to cognitive impairment and fall risk 2, 4
Non-pharmacologic anxiolysis, such as patient education and quiet environment, should be considered as a first-line approach, as recommended by the World Journal of Emergency Surgery and Clinical Nutrition 5, 6
Approximately 10% of patients may experience paradoxical agitation rather than sedation, which is more common in elderly populations, according to the Praxis Medical Insights guideline society 1