Acetaminophen vs Hydromorphone

## Acetaminophen vs Hydromorphone: Overview

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

## Mechanism of Action

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

**Hydromorphone**: Semisynthetic mu-opioid receptor agonist approximately 5 times more potent than morphine.

## Pharmacokinetics

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

## Chemical Properties

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

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

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