Lorazepam vs Venlafaxine

## Lorazepam vs Venlafaxine: Overview

This comparison examines the pharmacological differences between **Lorazepam** and **Venlafaxine**.

## Mechanism of Action

**Lorazepam**: Intermediate-acting benzodiazepine enhancing GABA-A receptor chloride conductance.

**Venlafaxine**: Serotonin-norepinephrine reuptake inhibitor (SNRI).

## Pharmacokinetics

**Half-life**: Lorazepam — 10-20 hours; Venlafaxine — 5 hours.

## Chemical Properties

**Molecular Formula**: Lorazepam — C15H10Cl2N2O2; Venlafaxine — C17H27NO2.

**Molecular Weight**: Lorazepam — 321.1580 g/mol; Venlafaxine — 277.4020 g/mol.

**Type**: Lorazepam — Small molecule; Venlafaxine — Small molecule.