Aspirin vs Rabeprazole

## Aspirin vs Rabeprazole: Overview

This comparison examines the pharmacological differences between **Aspirin** and **Rabeprazole**.

## Mechanism of Action

**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.

**Rabeprazole**: Proton pump inhibitor irreversibly inhibiting gastric H+/K+-ATPase with faster onset than omeprazole.

## Pharmacokinetics

**Half-life**: Aspirin — 2-3 hours; Rabeprazole — 1-2 hours.

## Chemical Properties

**Molecular Formula**: Aspirin — C9H8O4; Rabeprazole — C18H21N3O3S.

**Molecular Weight**: Aspirin — 180.1580 g/mol; Rabeprazole — 359.4440 g/mol.

**Type**: Aspirin — Small molecule; Rabeprazole — Small molecule.