Aspirin vs Metoprolol

## Aspirin vs Metoprolol: Overview

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

## Mechanism of Action

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

**Metoprolol**: Selective beta-1 adrenergic receptor blocker.

## Pharmacokinetics

**Half-life**: Aspirin — 2-3 hours; Metoprolol — 3-7 hours.

## Chemical Properties

**Molecular Formula**: Aspirin — C9H8O4; Metoprolol — C15H25NO3.

**Molecular Weight**: Aspirin — 180.1580 g/mol; Metoprolol — 267.3640 g/mol.

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