Citalopram vs Lorazepam

## Citalopram vs Lorazepam: Overview

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

## Mechanism of Action

**Citalopram**: Selective serotonin reuptake inhibitor (SSRI); racemic mixture with escitalopram as active S-enantiomer.

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

## Pharmacokinetics

**Half-life**: Citalopram — 35 hours; Lorazepam — 10-20 hours.

## Chemical Properties

**Molecular Formula**: Citalopram — C20H21FN2O; Lorazepam — C15H10Cl2N2O2.

**Molecular Weight**: Citalopram — 324.3920 g/mol; Lorazepam — 321.1580 g/mol.

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