Same Drug Class

Acetaminophen vs Morphine

## Acetaminophen vs Morphine: Overview

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

## Mechanism of Action

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

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

## Pharmacokinetics

**Half-life**: Acetaminophen — 1-4 hours; Morphine — 2-3 hours.

## Chemical Properties

**Molecular Formula**: Acetaminophen — C8H9NO2; Morphine — C17H19NO3.

**Molecular Weight**: Acetaminophen — 151.1630 g/mol; Morphine — 285.3380 g/mol.

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