Citalopram vs Memantine

## Citalopram vs Memantine: Overview

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

## Mechanism of Action

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

**Memantine**: Non-competitive NMDA receptor antagonist.

## Pharmacokinetics

**Half-life**: Citalopram — 35 hours; Memantine — 60-80 hours.

## Chemical Properties

**Molecular Formula**: Citalopram — C20H21FN2O; Memantine — C12H21N.

**Molecular Weight**: Citalopram — 324.3920 g/mol; Memantine — 179.3080 g/mol.

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