Acetaminophen vs Ranitidine

## Acetaminophen vs Ranitidine: Overview

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

## Mechanism of Action

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

**Ranitidine**: Competitive H2 receptor antagonist.

## Pharmacokinetics

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

## Chemical Properties

**Molecular Formula**: Acetaminophen — C8H9NO2; Ranitidine — C13H22N4O3S.

**Molecular Weight**: Acetaminophen — 151.1630 g/mol; Ranitidine — 314.4050 g/mol.

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