Citalopram vs Omeprazole

## Citalopram vs Omeprazole: Overview

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

## Mechanism of Action

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

**Omeprazole**: Proton pump inhibitor that irreversibly blocks H+/K+-ATPase.

## Pharmacokinetics

**Half-life**: Citalopram — 35 hours; Omeprazole — 0.5-1 hour.

## Chemical Properties

**Molecular Formula**: Citalopram — C20H21FN2O; Omeprazole — C17H19N3O3S.

**Molecular Weight**: Citalopram — 324.3920 g/mol; Omeprazole — 345.4170 g/mol.

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