Esomeprazole vs Ranitidine

## Esomeprazole vs Ranitidine: Overview

This comparison examines the pharmacological differences between **Esomeprazole** and **Ranitidine**.

## Mechanism of Action

**Esomeprazole**: S-isomer of omeprazole; proton pump inhibitor irreversibly blocking gastric H+/K+-ATPase.

**Ranitidine**: Competitive H2 receptor antagonist.

## Pharmacokinetics

**Half-life**: Esomeprazole — 1-1.5 hours; Ranitidine — 2-3 hours.

## Chemical Properties

**Molecular Formula**: Esomeprazole — C17H19N3O3S; Ranitidine — C13H22N4O3S.

**Molecular Weight**: Esomeprazole — 345.4170 g/mol; Ranitidine — 314.4050 g/mol.

**Type**: Esomeprazole — Small molecule; Ranitidine — Small molecule.