Acetaminophen vs Metronidazole

## Acetaminophen vs Metronidazole: Overview

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

## Mechanism of Action

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

**Metronidazole**: Forms cytotoxic free radicals that damage bacterial DNA.

## Pharmacokinetics

**Half-life**: Acetaminophen — 1-4 hours; Metronidazole — 8 hours.

## Chemical Properties

**Molecular Formula**: Acetaminophen — C8H9NO2; Metronidazole — C6H9N3O3.

**Molecular Weight**: Acetaminophen — 151.1630 g/mol; Metronidazole — 171.1540 g/mol.

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