Citalopram vs Montelukast

## Citalopram vs Montelukast: Overview

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

## Mechanism of Action

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

**Montelukast**: Selective leukotriene D4 receptor antagonist.

## Pharmacokinetics

**Half-life**: Citalopram — 35 hours; Montelukast — 2.7-5.5 hours.

## Chemical Properties

**Molecular Formula**: Citalopram — C20H21FN2O; Montelukast — C35H36ClNO3S.

**Molecular Weight**: Citalopram — 324.3920 g/mol; Montelukast — 586.1800 g/mol.

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