Acetaminophen vs Tramadol

## Acetaminophen vs Tramadol: Overview

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

## Mechanism of Action

**Acetaminophen**: Inhibits prostaglandin synthesis in the CNS and peripherally blocks pain impulse generation.

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

## Pharmacokinetics

**Half-life**: Acetaminophen — 1-4 hours; Tramadol — 5-7 hours.

## Chemical Properties

**Molecular Formula**: Acetaminophen — C8H9NO2; Tramadol — C16H25NO2.

**Molecular Weight**: Acetaminophen — 151.1630 g/mol; Tramadol — 263.3750 g/mol.

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