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Lorazepam dosing

Benzos · 2 mg/mL · IV Push

Calculated, not generated

Weight-based dose

DosePer kgFor 70 kg
low0.01 mg/kg0.7 mg
standard0.015 mg/kg1.05 mg
high0.02 mg/kg1.4 mg

Typical: 0.5-2 mg. Longer duration than midazolam (6-8 hr). No active metabolites — preferred in hepatic impairment. Status epilepticus: 0.1 mg/kg (max 4 mg).

Renal & hepatic adjustment

  • Severe (Child-Pugh C)Glucuronidation is relatively preserved in liver disease (often the preferred benzo) — still reduce and titrate in severe impairment.

Source: Stoelting's Pharmacology

Evidence A · ESETT trial for status epilepticus; anxiolysis literature

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Get the exact dose for your patient

Vigil computes Lorazepam for your patient's actual weight — and adjusts for renal or hepatic impairment automatically, with the cited rationale. The number is calculated from a verified database, never guessed.

Decision support for licensed clinicians — not a substitute for clinical judgment. Always verify against the package insert and the patient in front of you.