Citalopram vs Fluoxetine

## Citalopram vs Fluoxetine: Overview

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

## Mechanism of Action

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

**Fluoxetine**: Selective serotonin reuptake inhibitor (SSRI).

## Pharmacokinetics

**Half-life**: Citalopram — 35 hours; Fluoxetine — 1-3 days.

## Chemical Properties

**Molecular Formula**: Citalopram — C20H21FN2O; Fluoxetine — C17H18F3NO.

**Molecular Weight**: Citalopram — 324.3920 g/mol; Fluoxetine — 309.3260 g/mol.

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