Citalopram vs Venlafaxine

## Citalopram vs Venlafaxine: Overview

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

## Mechanism of Action

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

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

## Pharmacokinetics

**Half-life**: Citalopram — 35 hours; Venlafaxine — 5 hours.

## Chemical Properties

**Molecular Formula**: Citalopram — C20H21FN2O; Venlafaxine — C17H27NO2.

**Molecular Weight**: Citalopram — 324.3920 g/mol; Venlafaxine — 277.4020 g/mol.

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