Same Drug Class

Aspirin vs Morphine

## Aspirin vs Morphine: Overview

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

## Mechanism of Action

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

**Morphine**: Mu-opioid receptor agonist.

## Pharmacokinetics

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

## Chemical Properties

**Molecular Formula**: Aspirin — C9H8O4; Morphine — C17H19NO3.

**Molecular Weight**: Aspirin — 180.1580 g/mol; Morphine — 285.3380 g/mol.

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