Aspirin vs Ranitidine

## Aspirin vs Ranitidine: Overview

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

## Mechanism of Action

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

**Ranitidine**: Competitive H2 receptor antagonist.

## Pharmacokinetics

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

## Chemical Properties

**Molecular Formula**: Aspirin — C9H8O4; Ranitidine — C13H22N4O3S.

**Molecular Weight**: Aspirin — 180.1580 g/mol; Ranitidine — 314.4050 g/mol.

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