Aspirin vs Tramadol

## Aspirin vs Tramadol: Overview

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

## Mechanism of Action

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

**Tramadol**: Mu-opioid receptor agonist and serotonin-norepinephrine reuptake inhibitor.

## Pharmacokinetics

**Half-life**: Aspirin — 2-3 hours; Tramadol — 5-7 hours.

## Chemical Properties

**Molecular Formula**: Aspirin — C9H8O4; Tramadol — C16H25NO2.

**Molecular Weight**: Aspirin — 180.1580 g/mol; Tramadol — 263.3750 g/mol.

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